Precision gauge blocks and plug gauges for reliable dimensional control
Mechanical gauge blocks and plug gauges are essential for tactile verification of threads, bores and gap dimensions, providing fast, unambiguous go/no-go results that enhance process reliability and reduce scrap. Designed for industrial metalworking and toolmaking, these precision tools support incoming inspection and final quality checks by delivering traceable measurements in applications such as thread inspection, bore diameter testing and spacing checks. Manufactured from specially hardened, low-distortion alloys and fine-lapped for minimal measurement uncertainty, the range includes thread plug gauges, precision plug gauges and calibration gauge blocks to ensure long-term repeatability and wear resistance.
No. 12 x 28 Thread Go/No-Go Ring Gauge UNF Right-Hand, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of secure, standards‑based thread control combined with durable, hardened construction for reliable pass/fail inspections on production lines. The compact design and clear No‑Go function reduce rework and help maintain throughput — order the gauge via Metav Werkzeuge or consult our specialists for application guidance. Thread ring gauge UNF No. 12‑28 (No‑Go) — hardened gauge steel, ANSI/ASME B1.1 The Thread ring gauge UNF No. 12 × 28 NOGO is a compact, purpose‑built inspection gauge for rapid verification of external UNF threads in workshop and production environments. ANSI/ASME B1.1/B1.2 compliant No‑Go function for quick rejection Hardened gauge steel construction No. 12‑28 UNF, tolerance class 2A Ensure fast, unambiguous acceptance decisions on the line This No‑Go thread ring serves as a practical, binary inspection tool that eliminates ambiguity during routine checks. By providing a definitive pass/reject result, the gauge streamlines quality control and shortens inspection cycles; the No‑Go design prevents marginal parts from proceeding, thereby lowering the risk of field failures and costly rework. The emphasis on repeatable go/no‑go criteria supports tighter process control and predictable throughput. Built for repeatable use and workshop resilience Constructed from hardened gauge steel, the ring is dimensionally stable and resists wear during repeated engagement with external threads. The material choice preserves the inspection edge and extends service life under normal workshop conditions. The right‑hand thread orientation is specified for compatibility with conventional UNF external threads, and the compact geometry eases handling at inspection stations or on the shop floor, supporting uninterrupted production routines. Standards alignment and clear technical scope for auditors Designed to the ANSI/ASME B1.1 thread form and marked with tolerance class 2A, the gauge matches common engineering expectations for UNF fasteners. The No. 12‑28 pitch (28 tpi) is identified on the item for traceability and audit purposes. As a dedicated No‑Go ring, it verifies that external threads do not exceed the maximum material condition allowed by the mating standard. Identification details such as M315.979.F and the GTIN are provided for inventory control and easy replacement ordering. Contact Metav Werkzeuge today to confirm suitability for specific production requirements and to secure fast delivery from our Emmerich warehouse — call +49 2822 7131930 or email info@metav-werkzeuge.com Technical data Article number: M315.979.F GTIN: 4054469180786 Label: Gewinde‑Lehrring UNF NOGO, Nr. 12 x 28 ANSI B1.1 / 2A Norm: ANSI/ASME B1.1/B1.2 Facts Size designation: No. 12 Threads: 28 tpi Tolerance class: 2A Weight: 0.1 kg Tariff number: 90173000 ECLASS: 21170214 Special features Material: hardened gauge steel Function: No‑Go thread ring gauge (external thread rejection) Thread direction: right‑hand thread Category: gauges / thread gauges FAQ What does "No‑Go" mean for this thread ring gauge? The No‑Go designation indicates the ring is intended to detect threads that exceed the maximum allowable dimensions; the ring must not fit a compliant external thread. Which thread standard does the gauge follow? This gauge is manufactured to ANSI/ASME B1.1 and is specified for UNF No. 12‑28 threads with tolerance class 2A. Is the gauge suitable for checking external UNF threads on fasteners? Yes — the tool is a dedicated external thread inspection ring designed for UNF No. 12 × 28 external threads. What material is the gauge made from and why? The ring is made from hardened gauge steel to ensure wear resistance and dimensional stability during repeated inspections. How is the item identified for ordering or inventory? Identification data include the article number M315.979.F and GTIN 4054469180786 for procurement and stock control. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 12 x 28 UNF Thread Plug Gauge Right-Hand, ANSI B1.1/B1.2, Class 2B - Metav IndustryLine
Take advantage of a standards‑compliant inspection tool that combines ANSI/ASME B1.1 conformity, hardened gauge steel construction and a clear 2B tolerance for reliable thread verification — order directly via Metav Werkzeuge or consult the Metav team for application advice. Thread plug gauge UNF No. 12 × 28 ANSI B1.1 / 2B — hardened gauge steel, right-hand thread Thread plug gauge UNF No. 12 × 28 ANSI B1.1 / 2B is designed for fast, repeatable verification of internal UNF threads in production and quality control environments. ANSI/ASME B1.1 compliant Hardened gauge steel construction UNF No. 12 × 28 right-hand thread Tolerance class 2B for internal threads Accurate inspection where standards matter A precision thread plug gauge built to ANSI/ASME B1.1 tolerancing provides a direct, unequivocal measure of internal thread conformity. The gauge’s 2B tolerance corresponds to the accepted class of fit for internal threads and therefore serves as a reliable go/no‑go reference during incoming inspection, in‑process checks and final quality control. By using a dedicated master gauge rather than ad hoc measurement methods, inspection throughput increases and the risk of undetected non‑conformances is reduced. Durable design for consistent repeatability Manufactured from hardened gauge steel, this plug gauge resists wear and maintains dimensional stability across repeated use, which preserves measurement integrity and lowers long‑term replacement costs. The right‑hand No. 12 × 28 UNF geometry matches common imperial fastener specifications and enables quick verification without complex setup. The compact mass and robust construction support frequent handling on the shop floor while keeping thread profiles true to the master standard. Practical benefits for workshop and production workflows Using a purpose‑made plug gauge simplifies decision‑making on the shop floor: pass or fail is immediately evident, reducing inspection time and limiting rework. The item’s conformity to established standards supports traceability and audit readiness, while the compact form factor keeps storage and handling straightforward. For procurement and inventory control, the clear identification (including part code M315.919.F) streamlines order replenishment and documentation. For assured compliance and practical inspection solutions, contact Metav Werkzeuge in Emmerich to discuss specifications, availability and tailored advice for integrating this gauge into production workflows. Technical data Article number: M315.919.F GTIN: 4054469179506 Designation: Thread plug gauge UNF No. 12 × 28 / 2B Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Tolerance class: 2B Thread direction: Right-hand Mass: 0.1 kg Facts Threads per inch: 28 tpi Size designation: No. 12 Weight: 0.1 kg GTIN: 4054469179506 Special features Right-hand UNF thread form Hardened gauge steel for wear resistance Designed for internal thread inspection Categories: pin gauges; inspection gauges SKU: M315.919.F FAQ What does the 2B tolerance indicate for internal threads? The 2B tolerance denotes the standard internal thread class of fit under ANSI/ASME B1.1; the plug gauge checks that the internal thread conforms to that allowable size and form. Is this gauge suitable for workshop use on production lines? Yes — the gauge’s hardened gauge steel construction and its No. 12 × 28 UNF profile make it suitable for routine production and incoming inspection use where quick go/no‑go decisions are required. How is the thread direction specified? This plug gauge is manufactured with a right‑hand thread to match standard right‑hand UNF fasteners. Which standard does this gauge follow and why is that important? The gauge conforms to ANSI/ASME B1.1/B1.2, ensuring compatibility with common imperial thread specifications and supporting consistent inspection criteria across suppliers and customers. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 12 x 32 UNEF Go/No-Go Thread Ring Gauge, Right-Hand, Hardened Gauge Steel, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of a hardened gauge steel construction and strict ANSI/ASME B1.1 tolerance adherence to secure repeatable thread inspection in production. The combination of robust material, precise 2A tolerance control and compact handling supports consistent quality and efficient inspection routines — order via Metav Werkzeuge or consult our specialists for application advice. Thread ring gauge UNEF NOGO No. 12 x 32 — hardened gauge steel, ANSI/ASME B1.1 (Metav IndustryLine) The Thread ring gauge UNEF NOGO No. 12 x 32 is a purpose-built NOGO ring for fast verification of external UNEF No. 12×32 threads according to ANSI/ASME standards, designed for inline inspection and workshop use NOGO only for external UNEF No.12 × 32 threads Hardened gauge steel for long service life Manufactured to ANSI/ASME B1.1 tolerances Tolerance class 2A ensures strict thread limits Fast, reliable rejection control for production This NOGO ring presents a compact and unambiguous control point for external threads. Built as a single‑function gauge, the device immediately identifies threads that exceed the upper material limit, enabling rapid segregation of non‑conforming parts and reducing downstream rework. The compact geometry and light mass make handling simple during repeated checks while the clear NOGO criterion shortens inspection cycles and supports a measurable increase in line throughput. Bold inspection routines become feasible without complex measurement set‑ups, improving overall equipment effectiveness. Durable materials and standards for reproducible results Constructed from hardened gauge steel, the ring resists wear and preserves the critical thread form over extended use, which maintains inspection integrity and lowers lifecycle cost. Manufactured to ANSI/ASME B1.1/B1.2 with tolerance class 2A, the gauge aligns with common North American thread specifications for external UN threads; this standardised conformity ensures interchangeability and straightforward integration into existing quality plans. Traceable identifiers such as GTIN and a clear SKU provide logistical transparency and ease of inventory control. Practical fit into quality assurance processes As a single‑purpose NOGO ring, the tool is particularly effective as a final check in assembly or as a spot‑check device on the shop floor. Its use supports documented acceptance/rejection criteria and can be included in control plans or work instructions with clear pass/fail logic. The modest weight and small footprint allow flexible placement at assembly stations or inspection benches, while the hardened construction reduces the need for frequent replacement. When combined with Metav IndustryLine procurement and stock availability, this gauge becomes a dependable element in stabilising production quality. For reliable thread control use Metav IndustryLine’s NOGO ring gauge and contact Metav Werkzeuge in Emmerich for delivery options and practical application guidance — Metav Werkzeuge supports fast supply and expert consultation. Technical data Article number: M315.979.EF GTIN: 4054469180779 Name: Thread ring gauge UNEF NOGO No. 12 x 32 ANSI B1.1 / 2A Material: Lehrenstahl, hardened Weight: 0.1 kg Facts Pitch: 32 Thread form: UNEF No. 12 × 32 Tolerance class: 2A Special features Right‑hand thread Standard: ANSI/ASME B1.1/B1.2 NOGO function for external thread rejection Category: Gauges / Measuring instruments FAQ What does NOGO mean for this ring gauge? NOGO indicates the ring is a reject gauge: if the external thread enters the ring, the threaded part fails the check. The Thread ring gauge UNEF NOGO No. 12 x 32 by Metav IndustryLine is used solely to detect oversize or out‑of‑tolerance external threads. Which standard is the gauge manufactured to? The gauge is produced to ANSI/ASME B1.1/B1.2 specifications and complies with 2A tolerance class requirements for the stated UNEF No. 12 × 32 thread form. Can this gauge be used for left‑hand threads? No, the ring is specified as a right‑hand thread gauge. For left‑hand threads, a purpose‑made left‑hand ring must be used. How does hardened gauge steel benefit routine inspection? Hardened gauge steel provides wear resistance and dimensional stability, extending service life and maintaining the functional limit that the NOGO ring enforces during repeated checks. Is the gauge suitable for inline assembly checks? Yes, the compact form and unambiguous pass/fail function of this NOGO ring make it well suited to inline checks and spot inspections on the shop floor; it integrates easily into control plans. Metav IndustryLine: Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 12 x 32 UNEF Thread Go Ring Right-Hand, Hardened Gauge Steel, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of the combination of hardened gauge steel construction, ANSI/ASME B1.1 conformity and tolerance class 2A for dependable, repeatable thread verification; order the thread gauge directly via Metav Werkzeuge or contact our consultants for batch or application advice. Thread Go Ring Gauge UNEF No. 12 x 32 (ANSI B1.1 / 2A) — GO ring, hardened gauge steel, right-hand thread (Metav IndustryLine) A Thread Go Ring Gauge UNEF No. 12 x 32 designed for fast verification of external UNEF threads in production and inspection environments, ensuring compliance with ANSI/ASME B1.1 / B1.2 standards UNEF No. 12 x 32, ANSI/ASME B1.1 Hardened gauge steel construction Tolerance class 2A for precision checks Right-hand thread fitting Reliable pass/fail checks to maintain production flow A GO ring provides a direct, unambiguous check of external thread geometry: the fitting indicates acceptance when the thread enters the ring without binding. Constructed from hardened gauge steel, this ring delivers high wear resistance and stable dimensions under frequent use, which preserves the gauge form and reduces the need for frequent replacement. Conformity to ANSI/ASME B1.1/B1.2 ensures that results are compatible with common engineering specifications and inspection plans, helping to keep throughput steady while maintaining documented quality standards. Rapid verification aligned with inspection criteria Designed for quick use at the bench or on the shop floor, the GO ring accelerates quality workflows by enabling fast, repeatable checks of thread pitch and form. The specified No. 12 x 32 format corresponds to 32 threads per inch (tpi) and is suited to UNEF external threads manufactured to 2A tolerance. Using a dedicated GO ring reduces interpretation time compared with dimensional measurements, producing an efficient go/no-go decision that supports first-article inspection and in-line sampling without compromising traceability. Durable design that reduces total cost of inspection The gauge's material choice — hardened gauge steel — plus its compact, single-piece geometry minimise deformation and preserve calibration between checks. Robust construction translates into prolonged service life under routine handling, lowering replacement frequency and downtime. The clear, mechanical pass criterion of a GO ring removes ambiguity from inspection records, contributing to consistent lot release and fewer production interruptions. Practical integration and documentation for quality systems This GO ring is supplied with clear identifying data to aid labelling and storage within an inspection system. The ring is appropriately dimensioned for UNEF threads and compatible with standard inspection jigs and fixtures; it fits seamlessly into established quality-control procedures. For discrete traceability, the SKU and GTIN can be recorded in measurement logs and inventory systems, supporting audits and batch tracking for manufacturing and maintenance activities. Contact Metav Werkzeuge for application advice, batch availability or to arrange supply from their Emmerich distribution centre — Metav Werkzeuge’s measurement specialists will assist with technical matching and order processing Technical Data Article number: M315.949.EF GTIN: 4054469180137 Tariff number: 90173000 Brand: Metav IndustryLine Facts Size: No. 12 Thread form: UNEF No. 12 x 32 Pitch: 32 tpi Tolerance class: 2A Thread direction: Right-hand Weight: 0.1 kg Special features Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Category: Gauges (thread ring, GO) FAQ What is the primary purpose of this GO ring? The GO ring is used for immediate pass/fail verification of external UNEF threads; the GO fitting confirms that threads meet the functional envelope defined by ANSI/ASME B1.1/B1.2 and the 2A tolerance. Which thread size and pitch does the gauge accept? The ring is specified for No. 12 x 32 UNEF external threads, corresponding to 32 threads per inch (tpi) in the standard UN series. What materials and standards does the ring comply with? Manufactured in hardened gauge steel, the ring is produced to match ANSI/ASME B1.1/B1.2 requirements for thread form and tolerance assessment. How should the GO ring be used in inspection routines? For a GO check, the external thread should enter the ring smoothly: acceptance is indicated if the thread fully engages without binding; this method offers fast conformance checks ideal for production sampling and first-article inspection. Is the gauge suitable for industrial routine use? Yes; the hardened construction and simple pass/fail criterion make the ring appropriate for frequent use in manufacturing, assembly and inspection stations where repetitive checks are required. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 12 x 32 UNEF Thread Plug Gauge Right-Hand, Hardened Gauge Steel, ANSI/ASME B1.1/B1.2 - Metav IndustryLine
Take advantage of precise, standards‑compliant thread inspection combined with robust, hardened construction for consistent pass/fail decisions on the shop floor. Order the plug gauge directly via Metav Werkzeuge or consult our specialists for application advice. Thread plug gauge UNEF No. 12 × 32, ANSI/ASME B1.1 – 2B (Metav IndustryLine) A thread plug gauge UNEF No. 12 × 32 designed for reliable go/no‑go checks of internal threads in line with ANSI/ASME B1.1/B1.2 standards. UNEF No. 12 × 32, tolerance class 2B Hardened gauge steel construction Right‑hand thread for standard inspection ANSI/ASME B1.1 conformity Reliable go/no‑go inspection for production control The thread plug gauge is crafted to provide rapid, binary assessment of internal thread quality. Manufactured to ANSI/ASME B1.1/B1.2 for UNEF form, the gauge simplifies inspection workflows by giving unmistakable go/no‑go results; this reduces measurement ambiguity and helps to prevent faulty assemblies reaching later production stages. The combination of standard conformity and a clear pass/fail function supports faster decision‑making and lowers rework rates across recurring inspection tasks. Traceable accuracy and durable construction Made from hardened gauge steel, the plug gauge delivers dimensional stability and resistance to wear under frequent use. The 2B tolerance denotes a commonly required internal thread tolerance for commercial applications, enabling reliable acceptance criteria for typical engineering parts. For suppliers and quality departments the benefit is straightforward: consistent, repeatable checks that align with recognised specifications, improving overall process reliability and supplier confidence. Practical benefits in the workshop and metrology lab The compact design and right‑hand thread orientation suit routine inspection duties on the shop floor and in inspection benches. The gauge’s robust material and precise machining support long service life, which translates into fewer replacements and predictable inspection intervals. As a Metav IndustryLine product, this gauge is intended to integrate seamlessly into existing quality control procedures, offering a pragmatic balance between durability and metrological performance. Secure consistent thread quality with the Metav IndustryLine plug gauge — contact Metav Werkzeuge for tailored procurement and application guidance at info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: M315.919.EF GTIN: 4054469179490 Norm: ANSI/ASME B1.1/B1.2 Material: Gauge steel, hardened Tolerance class: 2B Thread: UNEF No. 12 × 32 Weight: 0.1 kg Facts Size designation: No. 12 Threads per inch: 32 tpi SKU: M315.919.EF Category: Thread gauges / Plug gauges Special features Right‑hand thread Hardened construction Intended for go/no‑go inspection Conforms to ANSI/ASME standards Suitable for metrology and workshop control FAQ What does tolerance class 2B indicate for this gauge? Tolerance class 2B denotes a standard internal thread tolerance for commercial applications; the thread plug gauge UNEF No. 12 × 32 ANSI/ASME B1.1 2B is produced to that class to enable reliable go/no‑go checks. Is the gauge suitable for left‑hand threads? No; this plug gauge is manufactured with a right‑hand thread. The Metav IndustryLine plug gauge M315.919.EF is therefore intended for standard right‑hand internal thread inspection. What material is used and why does it matter? The gauge is made from hardened gauge steel, which provides wear resistance and dimensional stability so that the Metav IndustryLine plug gauge M315.919.EF keeps repeatable results under frequent use. Which standards ensure compatibility with thread specifications? Manufacture to ANSI/ASME B1.1/B1.2 for UNEF threads ensures the gauge aligns with widely accepted thread specifications and inspection procedures. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 2 56 TPI Thread Plug Gauge UNC 2B, Hardened Gauge Steel, ANSI/ASME B1.1/B1.2 - Metav IndustryLine
Take advantage of the combination of hardened gauge steel, clear compliance with ANSI/ASME B1.1 and a defined 2B tolerance to secure reproducible thread checks in production and inspection. Order the gauge directly via Metav Werkzeuge or consult our technical advisers for specification support. Thread plug gauge UNC No.2 x 56 – 2B tolerance, ANSI/ASME B1.1 (Metav IndustryLine) A thread plug gauge UNC No.2 x 56 for verification of internal UNC threads, designed for workshop and production inspection where standard compliance and durability are required Hardened gauge steel construction Conforms to ANSI/ASME B1.1 standard UNC No.2 x 56 thread form Tolerance class 2B assurance Durable construction for dependable repeatability The plug is manufactured from hardened gauge steel, providing high wear resistance and dimensional stability under repeated use. This robust material choice keeps the effective gauge geometry stable over many inspection cycles, reducing rework and downtime. As a result, the device supports repeatable inspection routines and maintains a consistent fit assessment for internal UNC threads with minimal recalibration needs. Standards compliance that supports quality control Designed to the ANSI/ASME B1.1 thread form and specified as UNC No.2 x 56 with tolerance class 2B, the gauge delivers a verifiable reference against common Unified Thread standards. The specified 2B tolerance indicates a medium internal fit suitable for general assembly and machining checks, enabling reliable go/no‑go decisions in incoming inspection, in‑process checks and final quality gates. The clear standard alignment simplifies documentation and audit traces. Efficient integration in workshop and production checks Compact and straightforward to use, this thread plug gauge fits into established inspection benches and handheld kits alike. Its nominal size No. 2 and 56 tpi configuration make it directly applicable for small‑format UNC fastenings commonly found in instrumentation, small assemblies and maintenance tasks. When combined with systematic inspection procedures, the gauge helps to reduce assembly failures and improves first‑pass yield, offering practical efficiency gains on the shop floor. For guaranteed thread verification with Metav IndustryLine quality, contact Metav Werkzeuge for ordering and technical advice: info@metav-werkzeuge.com or +49 2822 7131930 Technical Data Article number: M315.912 Label: Gewinde-Lehrdorn UNC, Nr. 2 x 56 ANSI B1.1 / 2B GTIN: 4054469179346 Material: gauge steel, hardened Standard: ANSI/ASME B1.1/B1.2 Facts Size: No. 2 Threads per inch: 56 tpi Weight: 0.1 kg Zolltarifnummer: 90173000 Special features Tolerance class: 2B Application: internal UNC thread verification Categories: Gauge pins; Gauges SKU: M315.912 FAQ What is the primary use of this plug gauge? The thread plug gauge UNC No.2 x 56 is used for verification of internal UNC threads, providing a simple go/no‑go check for conformity to the ANSI/ASME B1.1 specification. Which tolerance and standard does the gauge follow? This gauge is manufactured to ANSI/ASME B1.1/B1.2 and specified to tolerance class 2B, giving a medium internal fit suitable for general assembly and inspection tasks. Is the material suitable for repeated workshop use? Made from hardened gauge steel, the plug gauge provides good wear resistance and dimensional stability for frequent verification cycles, extending usable life in routine inspection settings. Can this gauge be used for other thread series? The instrument is specifically formed for UNC No.2 x 56 and is intended for internal UNC thread checking; other thread series require gauges matched to their respective forms and standards. How should the gauge be maintained to preserve accuracy? Clean the gauge after use, store it protected from moisture and mechanical damage, and include it in regular inspection intervals to confirm continued conformity; traceability is supported by the SKU M315.912 and GTIN for inventory and calibration records. Metav IndustryLine: Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 2 x 56 Thread Go/No-Go Ring Gauge UNC NOGO, Hardened Gauge Steel ANSI/ASME B1.1 2A - Metav IndustryLine
Combine the hardened gauge‑steel construction with ANSI/ASME B1.1 conformity and 2A tolerance to secure reliable go/no‑go control of UNC No. 2 × 56 threads; order the ring gauge directly via Metav Werkzeuge or consult our specialists for selection and supply. NOGO ring gauge No. 2 × 56 UNC — hardened limit ring for external thread verification (Metav IndustryLine) The NOGO ring gauge No. 2 × 56 UNC is a hardened limit gauge designed for fast, repeatable inspection of external UNC threads to ANSI/ASME B1.1/B1.2 with tolerance class 2A, suitable for shop‑floor and QA use. Hardened gauge steel construction Conforms to ANSI/ASME B1.1/B1.2 Tolerance class 2A for reliable control NOGO function for rapid pass/fail checks Reliable thread control to reduce rework and downtime The NOGO ring offers a straightforward, standards‑based check that removes ambiguity from thread acceptance. Machined from hardened gauge steel, the gauge resists wear and maintains dimensional stability during repeated use, which translates into fewer false rejects and less rework. Conformity with ANSI/ASME B1.1 ensures compatibility with common UNC specifications, while the 2A tolerance class provides the defined limit necessary for quality control of externally threaded components. This combination supports tighter production control and predictable inspection outcomes. Fast, shop‑floor compatible inspection for production flow Designed as a compact, robust limit ring, the tool enables quick go/no‑go decisions directly at the production line or in the inspection bay. The NOGO function speeds up checks by eliminating time‑consuming measurements when a simple pass/fail decision is sufficient, improving throughput without sacrificing traceability. Its lightweight, hand‑operable form factor suits repetitive checks and handheld verification, while the hardened material and straightforward geometry reduce the need for frequent replacement, contributing to long‑term operational efficiency. Audit‑ready specification and supply reliability The gauge is supplied with clear identification (GTIN and SKU) and a traceable standard reference, which eases documentation within quality management systems. As a metrology tool listed under gauges and inspection instruments, it integrates naturally into inspection routines and inspection plans that reference ANSI/ASME B1.1/B1.2. Sourcing via Metav IndustryLine provides the additional reassurance of a European distribution channel with established stock and logistical support, supporting continuous supply for production and spare‑part planning. Contact Metav Werkzeuge for tailored advice on integrating this Metav IndustryLine NOGO ring gauge into existing inspection plans and to confirm availability and delivery options Technical Data Article number: M315.972 GTIN: 4054469180625 Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Designation: NOGO ring gauge, UNC No. 2 × 56, tolerance 2A Facts Threads per inch: 56 Tolerance class: 2A Weight: 0.1 kg eClass: 21170214 Special features NOGO limit ring gauge Hardened gauge steel construction For external UNC thread inspection Category: Gauges / Measuring instruments FAQ What is the primary purpose of this ring gauge? The ring serves as a NOGO limit gauge for quick pass/fail verification of external UNC threads, confirming whether a No. 2 × 56 UNC thread exceeds the specified limit. Which standards does the gauge reference? This gauge is manufactured to the ANSI/ASME B1.1/B1.2 thread form and is marked for tolerance class 2A appropriate for external thread control. How is a NOGO ring used in practice? The ring is placed over the external thread; if the ring does not enter, the thread is within the allowed maximum material condition. If the ring enters, the thread fails the NOGO requirement and further assessment is needed. Is the material durable for repeated shop‑floor use? Yes, the gauge is made from hardened gauge steel, designed to resist wear and preserve the inspection limit across many cycles of inspection. How is traceability provided for quality documentation? The product is supplied with clear identification (GTIN and article number) to support traceability in inspection plans and quality records Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 2 x 56 UNC Go Thread Ring, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of standardised acceptance testing, long-term durability and compact portability for efficient thread inspection; the combination of hardened gauge steel, ANSI/ASME compliance and tolerance class 2A supports reproducible results on the shop floor. Order the gauge directly via Metav Werkzeuge or consult our specialists for matching inspection equipment. Thread plug gauge UNC GO No. 2 x 56 (ANSI B1.1 / 2A) — Metav IndustryLine GO inspection gauge, hardened The Thread plug gauge UNC GO No. 2 x 56 (ANSI B1.1 / 2A) is a hardened GO gauge intended for quick acceptance checks of UNC 56 tpi external threads in production, assembly and incoming inspection. Hardened gauge steel construction ANSI/ASME B1.1 compliant Tolerance class 2A GO verification Compact, lightweight inspection gauge Precision that maintains throughput A dedicated thread verification tool simplifies pass/fail decisions at the workstation. The GO gauge confirms that an external thread meets the maximum material envelope required by UNC 56 tpi specification; if the gauge enters freely, the thread diameter and form are within tolerance. This rapid check reduces measurement time compared with full coordinate measurement, improving throughput for batch inspection while keeping rejects and rework to a minimum. Durable construction for repeated use Manufactured from gauge steel, hardened, the gauge is engineered for wear resistance and consistent performance over many cycles. The robust material ensures dimensional stability under repetitive handling and exposure to typical workshop environments. The lightweight nature (approx. 0.1 kg) makes the gauge easy to carry between machine centres and inspection benches without compromising repeatability. Standards-based acceptance to avoid disputes Conformance with ANSI/ASME B1.1/B1.2 and classification as 2A provides an objective basis for contractual inspections and supplier approvals. Using a standard GO gauge streamlines communication with suppliers and customers, because the acceptance criterion is defined by established norms rather than subjective judgement. The standard reference reduces non-conformance discussions and aligns inspection practice across departments. Practical use and typical applications The GO-only plug gauge is ideal for fast verification of external UNC threads during production runs, maintenance checks and incoming goods inspections. It is suited to machine shops, assembly lines and service departments where quick Go/No-Go decisions are needed. For complete inspection workflows, the GO gauge may be used alongside corresponding NOGO gauges and conventional measurement tools to document compliance and traceability. For procurement or expert advice on the Metav IndustryLine thread plug gauge, contact Metav Werkzeuge for a compatibility check or to request a tailored quotation by phone or email. Technical Data Article number: M315.942 GTIN: 4054469179988 Label: Gewinde-Lehrring UNC GO, Nr. 2 x 56 ANSI B1.1 / 2A Facts Size: No. 2 Threads per inch: 56 TPI Weight: 0.1 kg Special features Material: Gauge steel, hardened Tolerance class: 2A Standard: ANSI/ASME B1.1/B1.2 FAQ What is the primary purpose of this gauge? The thread plug gauge UNC GO No. 2 x 56 (ANSI B1.1 / 2A) is used to verify that external UNC threads with 56 tpi conform to the GO acceptance limits defined by the standard. Does the gauge check pitch and major diameter? Yes, the GO gauge assesses the combined form of thread pitch and major diameter to confirm the thread lies within the permissible envelope for a GO acceptance. Is the gauge suitable for production use? The Metav IndustryLine GO gauge is designed for repetitive shop-floor checks; its hardened construction supports repeated use in production and inspection environments. What does tolerance class 2A mean for inspections? Tolerance class 2A denotes the standard external thread tolerance band for UNC threads; using a 2A GO gauge ensures the thread meets that common industrial fit. Can this gauge be used as the only inspection tool? The GO plug gauge offers rapid accept/reject decisions; however, for full documentation or to resolve borderline cases a complementary NOGO gauge or dimensional measurement may be appropriate. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 2 x 64 Thread Plug Gauge UNF Go, Right-Hand, Hardened Gauge Steel, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of the combination of ANSI/ASME B1.1 compliance, hardened gauge steel construction and a precise 2A tolerance class for reliable go/no-go thread checks; order the thread ring gauge directly via Metav Werkzeuge or ask our consultants if needed. Thread Ring Gauge UNF GO No. 2 × 64, ANSI/ASME B1.1 / 2A — Metav IndustryLine, hardened gauge steel The Thread Ring Gauge UNF GO No. 2 × 64 is a GO-type inspection gauge for fast verification of external UNF threads to ANSI/ASME B1.1 standards on production and inspection benches Hardened gauge steel construction ANSI/ASME B1.1 compliance Tolerance class 2A for accurate checks Ensure threads meet specification with clear pass/fail decisions This GO ring offers a straightforward, rational inspection method based on the go/no‑go principle. Manufactured to ANSI/ASME B1.1 and specified as 2A, the gauge verifies that external UNF threads of No. 2, 64 tpi are within the permissible major diameter and form limits. The fixed GO profile provides an immediate, unambiguous assessment in repeat inspections, reducing scrap and rework while accelerating throughput on the shop floor. The documentable nature of a GO check supports quality records and process control. Durable materials that keep measurement uncertainty low Made from hardened gauge steel, the ring is designed for long service life and wear resistance under frequent use. The material choice and hardening process maintain the gauge geometry, preserving the fit and therefore the measurement reliability over many inspection cycles. Lightweight at approximately 0.1 kg, the ring is easy to handle during serial checks, yet sufficiently robust to resist distortion; this balance improves repeatability and lowers the influence of handling on results. Integrates into standard inspection routines and documentation The GO ring simplifies routine checks in production, incoming inspection and maintenance work. Its single‑function design makes it ideal for quick acceptance testing of external UNF threads, supporting efficient assembly processes and minimising machine downtime. The product is provided with clear identification (SKU and GTIN) to ensure traceability within inventory and quality systems, assisting audits and part lot control while fitting seamlessly into existing inspection workflows. For consistent thread control choose the Metav IndustryLine GO ring; contact Metav Werkzeuge in Emmerich for a quotation or technical advice: info@metav-werkzeuge.com | +49 2822 7131930 Technical data SKU: M315.942.F GTIN: 4054469179995 Article: Thread ring gauge UNF GO No. 2 × 64 Standard: ANSI/ASME B1.1/B1.2 Facts Size: No. 2 Threads per inch: 64 tpi Tolerance class: 2A Weight: 0.1 kg Tariff number: 90173000 Special features Material: hardened gauge steel Type: GO-type thread ring Thread handedness: right-hand thread Application: External UNF thread verification Category: Gauges / Plug and ring gauges FAQ What does the ‘GO’ designation mean for this gauge? The GO designation indicates the ring is a GO-type thread ring gauge used to check that external UNF threads (No. 2 × 64 tpi) are within the maximum material limit; the Thread Ring Gauge UNF GO No. 2 × 64 confirms a part will assemble when the ring passes. Is this gauge compliant with recognised standards? Yes, the ring is manufactured to ANSI/ASME B1.1/B1.2 requirements and specified as tolerance class 2A, ensuring compatibility with standard UNF thread specifications. What materials is the ring suitable for checking? The gauge is intended for inspection of external UNF threads irrespective of the parent material; its hardened gauge steel construction gives wear resistance suitable for repeated checks on metal components. How should the ring be used in a production environment? Use the ring as a quick pass/fail check on external UNF threads during production or incoming inspection; a positive GO result from the Metav IndustryLine ring indicates the thread meets the permitted maximum material profile. Can the ring be traced for quality records? Yes, the Thread Ring Gauge UNF GO No. 2 × 64 (SKU M315.942.F) can be recorded in traceability systems using its SKU and GTIN for inventory and audit purposes. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 2 x 64 TPI Thread Plug Gauge UNF Right-Hand 2B Hardened Gauge Steel ANSI B1.1 / Metav IndustryLine
Take advantage of precise conformity to ANSI/ASME B1.1, a 2B tolerance class and hardened gauge steel construction for reliable thread inspection; order the gauge directly via Metav Werkzeuge or consult Metav's specialists for application advice. Gewinde-Lehrdorn No. 2 × 64 UNF – Thread plug gauge, ANSI/ASME B1.1, 2B The Gewinde-Lehrdorn No. 2 × 64 UNF is a right‑hand thread plug gauge intended for dimensional inspection of internal UNF threads in production and quality control environments. No. 2 × 64 UNF right-hand thread Tolerance class 2B to ANSI/ASME B1.1 Hardened gauge steel construction Ensure correct assembly fit with standardised inspection The gauge is manufactured to ANSI/ASME B1.1 standards and calibrated to tolerance class 2B, providing a verifiable benchmark for internal thread acceptance. This standard conformity reduces ambiguity during quality checks and shortens decision time at the inspection bench: measurements are immediately comparable to accepted specifications and sampling protocols. The combination of a standard thread form and a clearly defined tolerance class supports fast acceptance or rejection of batches, thereby improving throughput and process reliability. Robust construction for repeated shop‑floor use Made from hardened gauge steel, the device resists wear from repeated contact and maintains dimensional stability under typical workshop conditions. The material choice ensures longevity of the inspection tool and consistent results over many cycles, which minimises rework and inspection downtime. The right‑hand No. 2 × 64 UNF configuration and compact design make the gauge suitable for confined inspection jigs and assembly fixtures where ease of handling and repeatability matter. Practical benefits for quality assurance workflows Using a dedicated thread plug gauge streamlines in‑process control: the presence of a physical master reduces reliance on subjective visual checks and supports traceable quality documentation. The gauge’s concise specification supports simple integration into inspection plans, control charts and final acceptance protocols. By standardising checks with a hardened reference, calibration intervals can be planned and documented efficiently, contributing to consistent production quality. Metrology compatibility and traceability This inspection tool sits squarely in industrial metrology practice: it complements optical comparators and digital measurement benches by providing a rapid go/no‑go assessment that is easy to interpret. The concise designation and compliance make it straightforward to record results and to align with internal standards or customer specifications. For organisations seeking to maintain a clear audit trail, the gauge’s normative reference helps anchor measurement procedures in internationally recognised rules. Contact Metav Werkzeuge for advice on matching this plug gauge to inspection plans and for prompt supply from Emmerich. Technical Data SKU: M315.912.F GTIN: 4054469179353 Designation: Thread plug gauge No. 2 × 64 UNF Norm: ANSI/ASME B1.1/B1.2 Tolerance class: 2B Thread pitch: 64 tpi Size designation: No. 2 Material: Hardened gauge steel Thread direction: Right‑hand Tariff number: 90173000 Numbers / Core Technical Data Threads per inch: 64 Weight: 0.1 kg Special features Right‑hand thread Hardened gauge steel construction Compliance with ANSI/ASME B1.1 Category: Gauges / measuring pins FAQ What thread size and standard does this gauge check? The gauge checks internal threads to No. 2 × 64 UNF and is manufactured to ANSI/ASME B1.1 thread form and tolerancing. Which tolerance class is represented by the gauge? This plug gauge is specified to tolerance class 2B, the standard internal thread tolerance according to ANSI/ASME. What material is used and why is it important? The gauge is made of hardened gauge steel, chosen for wear resistance and dimensional stability during repeated inspections. Is this a right‑hand or left‑hand thread gauge? The tool is a right‑hand thread plug gauge suitable for standard UNF internal threads. Can this gauge be used for production line checks? Yes; the design and compliance make it suitable for rapid go/no‑go checks in production and quality control workflows. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 2 x 64 TPI UNF Nogo Thread Ring Gauge, Right-Hand, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of a robust inspection solution that pairs ANSI/ASME B1.1 compliance with hardened gauge steel and a precise 2A tolerance class for reliable thread acceptance testing; order the gauge directly via Metav Werkzeuge or consult our specialists for application advice. Gewinde-Lehrring UNF NOGO, No. 2 x 64 — NOGO thread ring gauge, ANSI/ASME B1.1, 2A tolerance, Metav IndustryLine The Gewinde-Lehrring UNF NOGO, No. 2 x 64 is a dedicated NOGO ring gauge for quick pass/fail inspection of UNF threads in production and incoming inspection, designed for standard-compliant quality control in mechanical workshops and components manufacturing. NOGO function for reliable rejection of oversize threads Hardened gauge steel for long service life Conforms to ANSI/ASME B1.1/B1.2 standards Tolerance class 2A for precise thread control Ensure production quality with a standards-based NOGO control A NOGO ring gauge is the straightforward, low-risk method for preventing oversize external threads from passing through final checks. Constructed from hardened gauge steel, this ring resists wear and preserves the reference profile over long inspection cycles, so measurements remain reproducible. The gauge follows ANSI/ASME B1.1/B1.2, giving a clear, normative basis for acceptance criteria; the 2A tolerance class represents industry-standard allowance for external threads, ensuring results are compatible with typical engineering specifications. As a consequence, the device reduces the chance of assembled failures caused by oversized threads and supports reproducible quality control workflows. Fast, practical inspection that fits a production line Designed as a compact NOGO ring for UNF No. 2 x 64, the gauge supports efficient go/no-go checks at receiving, in-process inspection or final control. The simple tactile check removes interpretation ambiguity: if the NOGO does not enter, the thread is within tolerance; if it does, the component is rejected for rework or segregation. The lightweight construction (approx. 0.1 kg) and robust finish enable frequent handling without sacrificing durability, helping to keep throughput steady and reduce rework costs. Integration into standard inspection routines is immediate, which makes this ring a pragmatic choice for quality assurance in small-batch production as well as larger-scale runs. Practical handling, maintenance and traceability for workshop use The ring gauge is supplied as a ready-to-use control artefact; regular visual inspection and periodic verification against master gauges will maintain measurement integrity. Stored clean and protected from contamination, the hardened gauge steel resists corrosion but benefits from light oiling in humid environments. For documented quality systems, the ring can be referenced in inspection records as the normative check for UNF No. 2 x 64 thread controls. Choosing a standards-conformant ring like this supports auditability and reduces ambiguity in nonconformance handling, reinforcing both operational reliability and customer trust in delivered components. Contact Metav Werkzeuge today to secure this Metav IndustryLine NOGO thread ring gauge and ensure standard-compliant thread control at your production or inspection station — Metav Werkzeuge provides expert advice and fast delivery from Emmerich. Technical Data Article number: M315.972.F GTIN: 4054469180632 Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Tolerance class: 2A Thread designation: UNF No. 2 x 64 Feature: NOGO ring gauge Special note: right-hand thread Facts Threads per inch: 64 tpi Weight: 0.1 kg Tariff number: 90173000 Special features Right-hand thread configuration Category: ring gauge / plug and ring gauges (inspection gauges) Intended use: production and incoming inspection FAQ What does NOGO mean and how does it work? A NOGO ring gauge is used to verify that an external thread is not oversized; the Gewinde-Lehrring UNF NOGO, No. 2 x 64 (Metav IndustryLine, SKU M315.972.F) must not enter a correct thread — if it does, the part is rejected. Which standard does this thread ring comply with? The ring is manufactured to ANSI/ASME B1.1/B1.2 thread form standards and graded to tolerance class 2A, ensuring compatibility with common engineering and inspection practices. Is this gauge suitable for right-hand threads? Yes, the gauge is specified for right-hand threads, matching the intended UNF external thread direction for No. 2 x 64 parts. What material is the gauge made from and why? The ring is made from hardened gauge steel, chosen for wear resistance and dimensional stability so that the reference profile remains consistent through repeated inspections. How should the gauge be maintained to preserve accuracy? Keep the ring clean and lightly oiled in humid environments, perform periodic verification against master standards, and record checks in inspection logs for traceability of thread controls. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 3 48 TPI UNC Nogo Thread Ring Gauge, Hardened Gauge Steel, ANSI/ASME B1.1/B1.2 - Metav IndustryLine
Take advantage of standards compliance, hardened construction and a clear go/no‑go inspection principle for consistent thread acceptance. Order the gauge directly via Metav Werkzeuge or ask our consultants if needed. Thread Ring Gauge UNC NOGO No. 3‑48 (ANSI/ASME B1.1, 2A) — Metav IndustryLine The Thread Ring Gauge UNC NOGO No. 3‑48 is a dedicated no‑go ring for rapid verification of UNC external threads, designed for production inspection and quality control in machining and assembly. ANSI/ASME B1.1 compatible Hardened gauge steel construction Tolerance class 2A for external threads No‑go ring for UNC 3‑48 inspection Precision that protects the process The thread ring gauge provides an objective go/no‑go check that prevents oversize external threads entering assembly. Built to the ANSI/ASME B1.1 standard and specified as a no‑go ring, the device is intended for fast pass/fail decisions on the shop floor and at incoming inspection. Its defined acceptance criterion makes it an efficient tool for reducing downstream rework and ensuring component interchangeability. Robust construction for many inspection cycles Manufactured from hardened gauge steel, this inspection ring resists wear and preserves its functional limits over repeated use. The material choice and heat treatment ensure dimensional stability under typical workshop handling, so measurements remain repeatable and less dependent on operator technique. For quality systems that rely on repeatable mechanical gauges, this design contributes directly to fewer inspection anomalies. Clear tolerance definition reduces ambiguity Marked as tolerance class 2A, the ring is matched to the external thread class used on UNC series fasteners; this makes the acceptance limit unambiguous during routine checks. As a dedicated no‑go tool, it confirms that a thread does not exceed the maximum material condition allowed by the standard, which in turn helps maintain assembly fit and function. The simple mechanical verdict supports lean inspection flows and quick decision cycles in production. Trusted supply and practical integration Sourced under the Metav IndustryLine label, the ring suits machine shops, toolrooms and inspection benches requiring robust, standards‑based gauges. Documentation supplied via Metav clarifies ordering and traceability, while the product’s clear specification makes it straightforward to integrate into inspection plans and work instructions. For batches or fleet procurement, the gauge’s standard conformity simplifies supplier comparison and quality planning. Contact Metav Werkzeuge for application advice and to order the Metav IndustryLine M315.973 thread ring gauge for immediate integration into production inspection Technical data Article number: M315.973 GTIN: 4054469180649 Label: Gewinde‑Lehrring UNC NOGO, Nr. 3 x 48 ANSI B1.1 / 2A SKU: M315.973 Facts Size designation: No. 3 Threads per inch: 48 Weight: 0.1 kg Tolerance class: 2A Tariff number: 90173000 Materials & standards Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Function: no‑go ring for UNC external threads Category: gauges / inspection rings FAQ What is the primary function of this no‑go ring? The Thread Ring Gauge UNC NOGO No. 3‑48 is used to verify that an external UNC 3‑48 thread does not exceed the maximum material condition; a successful fit indicates the thread is oversize and therefore rejects the part. Which standard does this ring conform to? The ring is manufactured to the ANSI/ASME B1.1 series and its marking reflects the applicable thread standard for UNC 3‑48 threads. What material is the gauge made from? The inspection ring is produced from hardened gauge steel, chosen for wear resistance and dimensional stability under repeated use. How should the tolerance class 2A be interpreted for external threads? Tolerance class 2A identifies the external thread quality and acceptance limits; the no‑go ring provides a mechanical limit check against those class 2A maximum material conditions. Is calibration documented for this gauge in the product data? The supplied product data does not state a calibration certificate; calibration and traceability requirements should be confirmed with Metav Werkzeuge when ordering. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 3 48 TPI UNC Thread Plug Gauge, 2B, Hardened Gauge Steel, ANSI/ASME B1.1 - Metav IndustryLine
Take advantage of a hardened gauge steel construction and strict ANSI/ASME conformity to secure reproducible internal‑thread inspection and reduce rework. The combination of precision (48 tpi, tolerance class 2B) and clear traceability allows efficient quality control processes; order via Metav Werkzeuge or consult the team for specification matching. Thread plug gauge UNC No. 3 x 48 ANSI B1.1 / 2B — Metav IndustryLine hardened gauge steel, ANSI‑compliant The Thread plug gauge UNC No. 3 x 48 ANSI B1.1 / 2B is a dedicated inspection gauge for verifying internal UNC No. 3 threads to tolerance class 2B, suitable for production and incoming‑goods checks where ANSI/ASME compliance is required. Hardened gauge steel construction Conforms to ANSI/ASME B1.1 thread standard 48 tpi UNC No. 3 with 2B tolerance Traceable GTIN and SKU M315.913 Consistent, standardised thread inspection that reduces rework Designed for production environments, this plug gauge checks internal UNC threads with repeatable accuracy. Manufactured from hardened gauge steel, the tool resists wear and maintains profile integrity over many cycles; compliance with ANSI/ASME B1.1 ensures results are accepted across suppliers and customers. The specified tolerance class 2B denotes the common internal thread fit for general engineering assemblies, and the 48 tpi pitch corresponds to the UNC No. 3 form, enabling clear go/no‑go assessment within established acceptance criteria. Robust design for streamlined quality control The gauge’s compact, low‑mass construction (approx. 0.1 kg) makes it simple to handle at the inspection bench while providing the stiffness required for reliable engagement with threaded bores. A hardened surface finish extends service life and lowers long‑term costs by reducing replacement frequency. Traceable identifiers such as SKU M315.913 and the GTIN facilitate inventory control and audit trails, supporting efficient batch acceptance and production flow without unnecessary stoppages. Traceability and manufacturer confidence for audit‑ready processes Identification via GTIN 4054469179360 and the clear designation of standard and tolerance simplify documentation for quality systems and parts lists. Integration into inspection routines is straightforward: the plug gauge serves as a primary reference for internal thread conformity and forms part of a documented measurement plan. Supplied under the Metav IndustryLine umbrella, the gauge benefits from Metav’s role as a quality filter in Emmerich, providing consistent sourcing and dependable availability for workshops and industrial users. Select the Metav IndustryLine thread plug gauge for ANSI‑compliant internal thread verification and contact Metav Werkzeuge for personalised procurement and technical advice. Technical data SKU: M315.913 GTIN: 4054469179360 Designation: Thread plug gauge UNC No. 3 x 48 ANSI B1.1 / 2B Material: gauge steel, hardened Mass: 0.1 kg Facts Size: No. 3 Threads per inch: 48 tpi Tolerance: 2B Norm: ANSI/ASME B1.1/B1.2 Tariff number: 90173000 ECLASS: 21170214 Special features Conforms to ANSI/ASME B1.1/B1.2 Hardened gauge steel for wear resistance Traceability via SKU and GTIN Category: Gauges / Measurement pins FAQ What thread standard and size does this gauge verify? The plug gauge verifies UNC No. 3 internal threads at 48 tpi and conforms to ANSI/ASME B1.1, with acceptance based on tolerance class 2B. What material is the gauge made from and how durable is it? The gauge is manufactured from hardened gauge steel, selected for long service life and resistance to profile wear during repeated inspection cycles. How is the gauge used in quality control? As a dedicated internal‑thread inspection tool, the gauge provides a quick, repeatable check of thread form and fit, enabling immediate go/no‑go decisions within documented inspection procedures. How can the part be identified for procurement and inventory? Identification is provided via SKU M315.913 and GTIN 4054469179360, which support traceability in purchasing and inventory management. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 3 56 TPI Thread Ring Gauge UNF Go, Right-Hand, Hardened Gauge Steel, ANSI B1.1 2A - Metav IndustryLine
Take advantage of a compact, standards‑compliant check with hardened gauge steel and an exact 2A tolerance class for reliable, repeatable thread inspection; order the gauge directly via Metav Werkzeuge or contact our consultants for advice. Thread ring gauge UNF No. 3 × 56, GO — GO ring gauge (ANSI B1.1 / 2A) by Metav IndustryLine Thread ring gauge UNF No. 3 × 56, GO is a right‑hand GO ring intended for verifying external threads to ANSI/ASME B1.1 tolerances in production and quality control environments ANSI B1.1 / 2A standard compliant Hardened gauge steel construction GO ring for UNF No. 3 × 56 TPI Compact, workshop-ready inspection tool Standards-based measurement that prevents rework The GO ring is manufactured to ANSI B1.1 / 2A tolerances, providing an objective go/no‑go check that reduces ambiguity in thread acceptance. Made from hardened gauge steel, the ring maintains form stability and wear resistance under repeated use, which supports repeatability on the shop floor. The specified 2A tolerance class ensures compatibility with parts produced to the same standard, enabling quick decisions during incoming inspection or in‑process checks and thereby reducing the risk of costly rework or rejects. Designed for small‑format threads and fast inspection cycles With the designation UNF No. 3 × 56 TPI, this GO ring is intended for fine, compact threads frequently encountered in precision assemblies. Its compact footprint and light mass make it simple to handle at the bench; the right‑hand thread configuration matches typical production orientations. As a GO‑only ring, it offers immediate verification that an external thread meets the lower limit of the tolerance band, streamlining inspection routines where a fast pass/fail result is required rather than a full dimensional readout. Practical advantages for quality teams and production Integrating this GO ring into quality workflows delivers clear, measurable benefits: faster throughput during inspection, consistent acceptance criteria tied to an established standard, and a durable tool that withstands repetitive use. The material choice and manufacturing standardisation translate into lower lifetime costs through reduced uncertainty and fewer inspection disputes. Combined with Metav’s distribution and technical support, the gauge is a practical investment for workshops and inspection stations that demand trustworthy, repeatable thread checks. Contact Metav Werkzeuge today to arrange supply or technical advice for this Metav IndustryLine GO ring gauge and ensure seamless integration into existing inspection routines Technical data Article number: M315.943.F GTIN: 4054469180014 Tariff number: 90173000 Key measurements Size: No. 3 Thread pitch: 56 TPI Tolerance class: 2A Weight: 0.1 kg Standard: ANSI/ASME B1.1/B1.2 Materials & features Material: hardened gauge steel Function: GO ring gauge (verification of external threads) Thread direction: right‑hand thread Application: workshop and production inspection FAQ What standard does this ring gauge follow? This GO ring gauge is manufactured to ANSI/ASME B1.1 specifications and supplied as a 2A tolerance class gauge. Is the gauge suitable for UNF threads? Yes, the gauge is specifically for UNF No. 3 × 56 TPI external threads and functions as a GO ring for pass/fail checks. What material is used for the gauge? The tool is produced from hardened gauge steel, chosen for stability and wear resistance under repeated use. Can this gauge be used on left‑hand threads? No, this particular ring is a right‑hand thread gauge; left‑hand threads require the corresponding left‑hand gauge. Who supplies this gauge and what is the SKU? The gauge is supplied by Metav IndustryLine, SKU M315.943.F, suitable for workshop and production inspection. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 3 56 TPI UNF NOGO Thread Ring Gauge, Right-Hand, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of a combination of ANSI/ASME conformity, hardened gauge-steel construction and a precise 2A tolerance band to ensure consistent pass/fail control on external UNF threads. Order the gauge directly via Metav Werkzeuge or consult our application specialists for selection assistance. Thread ring gauge NOGO No. 3 x 56 (UNF) — Metav IndustryLine Thread ring gauge NOGO No. 3 x 56 (UNF) is a precision inspection gauge for rapid go/no-go verification of external UNF threads to ANSI/ASME B1.1 tolerances, designed for production and quality-control environments NOGO thread ring No. 3 x 56 UNF Hardened gauge steel for long service life Conforms to ANSI/ASME B1.1/B1.2 Certainty for thread conformity and process control The NOGO inspection ring achieves a fast, unambiguous result when checking external UNF threads: a pass is identified by the inability to engage the NOGO side, proving the thread does not exceed the maximum material condition. Manufactured from hardened gauge steel, the ring delivers stable dimensions under repeated use, which reduces measurement drift and the need for frequent replacement. This makes it a dependable tool for inline checks and final inspection stations, helping to reduce scrap and prevent out-of-tolerance assemblies. Durable design that keeps inspection cycles moving Built to withstand repetitive handling, the inspection ring combines a compact form with robust material choice to deliver longevity. The hardened gauge-steel body resists wear from frequent engagement with threaded parts, while the No. 3 x 56 sizing (UNF) and 2A tolerance class reflect micromechanical precision appropriate for fine-pitch threads. Such durability minimises downtime associated with gauge replacement and keeps quality-control routines efficient, supporting continuous production flows. Compliance and traceability in regulated workflows Adherence to ANSI/ASME B1.1/B1.2 standards provides a clear, auditable basis for acceptance criteria in manufacturing and inspection protocols. The 2A tolerance designation indicates the external-thread class to which the ring corresponds, ensuring compatibility with specified mating internal threads. For manufacturers operating to documented quality systems, the rule-based outcome from a go/no-go gauge simplifies decision-making and records, aiding conformity checks without the need for elaborate measurement setups. Practical benefits for the workshop and production line As a purpose-made thread ring gauge, the device offers a rapid alternative to dimensional measurement when the objective is conformity rather than metrology. Its straightforward go/no-go function reduces operator interpretation and speeds up routine checks at assembly, in incoming inspection or at final control. The right-hand thread configuration ensures direct applicability to standard UNF components manufactured with conventional thread direction, helping the gauge integrate seamlessly into existing inspection procedures. Contact Metav Werkzeuge for application advice, availability and to secure the Metav IndustryLine NOGO thread ring No. 3 x 56 (SKU M315.973.F) directly from our Emmerich hub by email at info@metav-werkzeuge.com or by phone on +49 2822 7131930 Technical data Article number: M315.973.F GTIN: 4054469180656 Weight: 0.1 kg Core figures Size: No. 3 Thread pitch: 56 TPI Tolerance class: 2A Special features Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Type: NOGO thread ring Thread direction: right-hand FAQ What does the NOGO designation mean for this thread ring gauge? The NOGO designation on the Thread ring gauge NOGO No. 3 x 56 (UNF) indicates the ring checks that an external thread does not exceed the maximum material condition; if the NOGO side engages, the part fails the tolerance check. Which standard and tolerance does this gauge follow? The inspection ring is manufactured to ANSI/ASME B1.1/B1.2 and corresponds to an external-thread tolerance of 2A, matching the common specification for UNF external threads. Is the thread direction specified for the gauge? Yes, the Metav IndustryLine NOGO ring is produced as a right-hand thread, matching standard UNF components with conventional thread direction. For which applications is this ring particularly suited? The ring is intended for rapid pass/fail verification of external UNF threads in production, incoming inspection and final acceptance processes where objective go/no-go decisions speed up workflow. What identifier should be used when ordering or referencing this item? Reference the Metav IndustryLine Thread ring gauge NOGO No. 3 x 56 (UNF), SKU M315.973.F, for accurate ordering and traceability. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 3 x 48 Thread Go Ring Gauge UNC, ANSI B1.1 2A - Metav IndustryLine
Take advantage of fast, standards‑compliant thread inspection with robust, hardened gauge steel and a clear ANSI/ASME specification for reliable pass/fail decisions on external UNC threads; order directly via Metav Werkzeuge or request advice from Metav Werkzeuge consultants for application support Thread ring gauge UNC GO, No. 3 × 48 ANSI/ASME B1.1 / 2A — Metav IndustryLine, hardened gauge steel The Thread ring gauge UNC GO, No. 3 × 48 ANSI/ASME B1.1 / 2A is a hardened inspection gauge designed to verify external UNC threads to ANSI/ASME standards for production and incoming‑inspection use Hardened gauge steel construction Conforms to ANSI/ASME B1.1 standard Tolerance class 2A for external threads No. 3 × 48 pitch UNC specification Standards-driven inspection for consistent pass/fail decisions The ring is specified for external UNC threads according to ANSI/ASME B1.1, providing a straightforward GO/NO‑GO method that reduces subjective judgement on the shop floor. As a GO gauge, it confirms whether an external thread falls within the allowed limits of tolerance class 2A, enabling rapid acceptance in assembly or before coating. The direct benefit is a measurable reduction in sorting time and scrap, because thread conformity can be decided at the point of production without complex measurements. Robust material and geometry for repeatable measurements Manufactured from hardened gauge steel, the gauge resists wear in daily inspection cycles and preserves the mating profile over repeated use. The compact No. 3 × 48 geometry is optimised for UNC small‑thread applications, delivering stable engagement and minimal flex during checking. Repeatability is supported by the material choice and precise machining; this yields reproducible results batch after batch and extends the service life of the inspection tool, lowering total cost of ownership. Workflow integration and traceable identification The gauge is supplied with clear identifiers—SKU M315.943 and GTIN 4054469180007—for inventory control and traceability within quality management systems. Its simple GO verification complements visual inspection and torque testing stages, making it suitable for incoming goods checks, in‑process inspection and final acceptance. Using a purpose-made thread ring speeds throughput while maintaining documented conformity to the applicable standard. Contact Metav Werkzeuge today to discuss how this Metav IndustryLine thread ring can be integrated into existing inspection routines or to request stock availability at the Emmerich facility Technical Data Article number: M315.943 GTIN: 4054469180007 Material: gauge steel, hardened Standard: ANSI/ASME B1.1/B1.2 Tolerance class: 2A Facts Size: No. 3 Threads per inch: 48 Weight: 0.1 kg Tariff number: 90173000 Special features GO thread ring for UNC external threads Hardened gauge steel material SKU: M315.943 Category: Gauges, Thread gauges FAQ What thread standard does this ring gauge check? The ring checks external UNC threads in accordance with ANSI/ASME B1.1, as specified for the Thread ring gauge UNC GO, No. 3 × 48 ANSI/ASME B1.1 / 2A Which tolerance class is applied by this gauge? This inspection tool implements tolerance class 2A, suitable for standard external UNC thread acceptance criteria What material and construction ensure durability of the gauge? The ring is made from hardened gauge steel, a choice that delivers wear resistance and long service life for repeated inspection cycles How is the gauge identified for stock and traceability? Identification is provided via SKU M315.943 and GTIN 4054469180007, enabling simple recording in inventory and quality systems Is this gauge suitable for production and incoming inspection? Yes; the GO ring gauge is designed for quick pass/fail checks at both incoming inspection and on the production line to accelerate decision making Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 3 x 56 UNF Thread Go Plug Gauge, Right-Hand, ANSI/ASME B1.1 2B - Metav IndustryLine
The combination of hardened gauge steel and conformity to ANSI/ASME B1.1 ensures fast, reliable verification of internal UNF threads; the 2B tolerance gives consistent fit control and reduces assembly rework. Order the thread inspection tool directly via Metav Werkzeuge or consult our specialists for application advice. Thread plug gauge UNF No. 3 x 56 (ANSI/ASME B1.1) – 2B, right-hand · Metav IndustryLine A thread plug gauge UNF No. 3 x 56 for quick, repeatable verification of internal UNF threads in production and quality control environments, complying with ANSI/ASME B1.1/B1.2 and supplied in a hardened gauge-steel finish. ANSI/ASME B1.1 compliant thread form Hardened gauge steel construction Tolerance class 2B for internal thread fit Reliable conformity for repeatable assemblies The gauge is produced from hardened gauge steel, which provides long-term dimensional stability and resistance to wear under frequent use. Conformity with ANSI/ASME B1.1/B1.2 guarantees that the thread profile matches accepted UNF standards, so parts verified with this tool will mate predictably with external threads manufactured to the same norm. Using a standardised inspection piece reduces rejects and supports a consistent production flow. Practical inspection that saves time on the shop floor Designed for straightforward go/no-go-style checks, this plug gauge accelerates routine quality control without complex setup. The right-hand thread and No. 3 x 56 specification make it suitable for fine-pitch UNF internal threads often found in precision assemblies. The compact mass and robust construction allow fast manual handling while maintaining the necessary stiffness for reliable tactile evaluation, helping to avoid costly rework and downtime. Durable, traceable tool for industrial environments Finished in hardened steel and supplied with clear identification (SKU M315.913.F, GTIN 4054469179377), the gauge is engineered for repeated use in workshop and production settings. The tolerance class 2B ensures internal threads meet the commonly expected fit for functional assemblies. The tool’s compliance with trade classifications is documented by its tariff number, supporting procurement and customs processing when required. Request application support from Metav Werkzeuge or order this Metav IndustryLine thread plug gauge for consistent, standards-based thread inspection in your workshop or production line. Technical details SKU: M315.913.F GTIN: 4054469179377 Tariff number: 90173000 Facts Size designation: No. 3 Threads per inch: 56 tpi Tolerance: 2B Weight: 0.1 kg Special features Material: hardened gauge steel Thread direction: right-hand Standard: ANSI/ASME B1.1/B1.2 Category: Gauges — thread inspection FAQ What is the primary use of this gauge? The thread plug gauge is intended for quick verification of internal UNF thread form and size; the Metav IndustryLine plug gauge No. 3 x 56 confirms whether an internal thread conforms to ANSI/ASME B1.1 and the 2B fit requirement. How does tolerance class 2B affect fitting? Tolerance class 2B denotes the standard internal thread fit under ANSI/ASME B1.1; using the M315.913.F plug gauge ensures internal threads fall within that acceptable range for reliable engagement with mating external threads. Is the gauge suitable for high-volume inspection? Yes, the hardened gauge-steel construction is selected for wear resistance and dimensional stability, making the gauge appropriate for repeated manual checks on production lines. Which standard does this gauge check against? This plug gauge verifies internal thread geometry and size against ANSI/ASME B1.1/B1.2, ensuring compatibility with parts specified to those standards. How is the gauge identified for procurement and traceability? The tool is identified by SKU M315.913.F and GTIN 4054469179377, and it is listed under tariff number 90173000 for customs and inventory purposes. Metav IndustryLine: Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 4 40 TPI UNC Go Thread Ring Gauge 2A, ANSI/ASME B1.1/B1.2 - Metav IndustryLine
Take advantage of a hardened gauge steel construction combined with strict ANSI/ASME B1.1 compliance and a clear 2A GO acceptance criterion for reliable production control; order the GO thread ring gauge directly via Metav Werkzeuge or ask our consultants if needed. Thread ring gauge UNC GO No. 4‑40 by Metav IndustryLine — hardened gauge steel, ANSI/ASME B1.1 compliance The Thread ring gauge UNC GO, No. 4 x 40 is a GO acceptance gauge for checking external UNC 4‑40 threads in workshop and inspection environments according to ANSI/ASME B1.1, ideal for repeatable pass/fail decisions on small threaded components Hardened gauge steel construction ANSI/ASME B1.1 compliant GO gauge Tolerance class 2A verification Compact No.4‑40 size, lightweight 0.1 kg Consistent GO checking for small UNC threads A GO thread ring is used to confirm that an external thread is manufactured within the allowed maximum material envelope; the supplied item is a GO gauge for UNC No.4‑40 (40 tpi) that provides a fast, binary check during production or incoming inspection. Because the ring is made from hardened gauge steel, it resists wear and keeps the acceptance limit stable over many cycles, which reduces the need for frequent recalibration and helps avoid false rejects. The design is especially suited to small fasteners and precision components where quick decision-making is essential to maintain throughput and reduce rework. Built to standards for traceable inspection decisions Compliance with ANSI/ASME B1.1 and the designation 2A ensures the ring corresponds to the specified external thread tolerance for UNC series threads; this offers a verifiable basis for quality records and supplier acceptance. The component’s light weight (0.1 kg) and compact form factor make it straightforward to handle at the inspection bench while the hardened material supports dimensional stability. Using a standardised GO gauge simplifies the documentation of acceptance criteria in quality plans and aligns inspection practice with common engineering specifications. Practical integration into workshop and inspection routines The ring gauge is intended for routine checks where a clear pass result is required before assembly or dispatch. Its compact size and single‑function GO nature mean the inspection step is quick and repeatable, supporting production flow without complex measuring setups. For traceability, record the SKU (M315.944) and GTIN when logging which gauge was used for a batch inspection. Where traceable calibration certificates or specific calibration regimes are required, Metav Werkzeuge can advise on calibration intervals and storage to preserve gauge accuracy. Why hardened gauge steel matters for longevity Hardened gauge steel provides a combination of surface hardness and core stability that keeps the functional thread profile consistent over time; wear is minimised on the critical flank and crest surfaces that determine pass/fail results. This material choice reduces measurement drift and helps maintain a reliable acceptance limit, which is particularly beneficial when checking high volumes of externally threaded parts or when performing repeated batch inspections. For robust, standards‑based GO verification of UNC 4‑40 threads, request Metav IndustryLine’s GO thread ring (SKU M315.944) from Metav Werkzeuge GmbH in Emmerich or contact our consultants at info@metav-werkzeuge.com or +49 2822 7131930 for specific inspection guidance Technical Data Article number: M315.944 GTIN: 4054469180021 Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Tolerance class: 2A Facts Size designation: No. 4 Threads per inch: 40 Weight: 0.1 kg Tariff number: 90173000 Special features GO ring gauge for external UNC threads Compact, lightweight design for bench inspection Hardened for improved wear resistance Intended for production and incoming inspection FAQ What does the GO designation mean for this ring gauge? The GO designation indicates that the ring gauge (Thread ring gauge UNC GO, No. 4 x 40) is used to verify that an external thread is within the maximum material limit and will accept parts that meet the allowed external profile. Is the gauge compliant with international standards? Yes, the Metav IndustryLine GO thread ring conforms to ANSI/ASME B1.1 and is supplied to the tolerance class 2A for UNC threads. Which thread size is covered by this gauge? This GO ring checks external threads in the UNC No.4‑40 specification (No. 4, 40 threads per inch); refer to SKU M315.944 when recording gauge usage. How should the gauge be used in a production environment? Use the GO ring as a quick pass/fail check on prepared external threads; its hardened construction supports repeated checks and helps sustain consistent acceptance criteria across production batches. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 4 x 40 Thread Ring Gauge UNC NOGO, 2A, Hardened Gauge Steel ANSI/ASME B1.1/B1.2 - Metav IndustryLine
Take advantage of a precise, standards‑compliant inspection tool that combines hardened gauge steel durability with accurate UNC thread control; the ring’s No. 4‑40 geometry and tolerance class 2A ensure reliable pass/fail decisions on the shop floor. Order the gauge via Metav Werkzeuge or consult our specialists for application advice. UNC NOGO thread ring gauge No. 4‑40, ANSI/ASME B1.1 — Metav IndustryLine A UNC NOGO thread ring gauge No. 4 x 40 ANSI/ASME B1.1 / 2A designed to check external UNC threads quickly and unambiguously in production and incoming inspection environments NOGO thread ring for UNC No.4‑40 Manufactured from hardened gauge steel Conforms to ANSI/ASME B1.1/B1.2 standards Tolerance class 2A for external thread checks Fast, unambiguous pass/fail inspection for UNC threads A NOGO thread ring is a dedicated inspection tool that prevents oversize external threads from passing quality control. Fitted to the No. 4‑40 profile and produced to ANSI/ASME B1.1/B1.2, this ring provides a clear binary result: the ring must not fully engage when the part is within the maximum material condition. That simplicity speeds up routine checks on fasteners and turned components, reducing sorting time and avoiding subjective assessments on the workbench. The normative design and the tolerance class 2A permit reproducible decisions that integrate directly into documented inspection plans. Durable construction for long service life under repeated use Made from hardened gauge steel, the ring is engineered to withstand frequent thread engagements without rapid wear, preserving gauge limits and measurement integrity. The hardened material reduces the rate of surface abrasion and keeps functional dimensions stable over many cycles, which lowers the need for early replacement and supports continuous production. For workshops seeking consistent results with minimal downtime, the robust construction translates into lower total cost of ownership and predictable inspection intervals. Clear conformity and traceability for quality systems Produced to the established ANSI/ASME B1.1 standard, this inspection ring supports formal quality assurance workflows and audit trails. The standardised geometry means inspection outcomes are comparable across suppliers and suppliers’ parts lists, aiding supplier qualification and incoming goods verification. Where traceability is required, the ring’s specification and marking allow direct linking of inspection results to procurement records, strengthening the documentation needed for ISO‑based quality systems and internal audits. Contact Metav Werkzeuge for tailored application guidance and secure a Metav IndustryLine UNC NOGO ring gauge for reliable thread verification on your assemblies Technical data Article number: M315.974 GTIN: 4054469180663 Description: UNC NOGO thread ring gauge No. 4 x 40 Material: Lehrenstahl, gehärtet Standard: ANSI/ASME B1.1/B1.2 Tolerance class: 2A Manufacturer: Metav IndustryLine Facts Threads per inch: 40 Size designation: No. 4 Weight: 0.1 kg Customs tariff number: 90173000 Special features NOGO function for external thread checks Hardened gauge steel construction Conforms to ANSI/ASME B1.1/B1.2 Tolerance class 2A for repeatable pass/fail decisions FAQ What is the primary purpose of this ring gauge? The UNC NOGO thread ring gauge No. 4 x 40 is used to verify that external UNC threads do not exceed the maximum material limits; a correct part must not accept the NOGO ring beyond the specified engagement. Which standard does the gauge comply with? This ring gauge is manufactured to ANSI/ASME B1.1/B1.2 standards, ensuring uniform geometry and consistent inspection results for UNC threads. What material is the gauge made from and why does it matter? The gauge is made from hardened gauge steel, which provides wear resistance and dimensional stability so that inspection limits remain reliable during prolonged shop‑floor use. How does tolerance class 2A affect inspections? Tolerance class 2A indicates the external thread tolerance grade applicable to this ring; it defines the acceptance boundary for standard UNC external threads during pass/fail checks. Is this gauge suitable for routine production checks? Yes, the robust construction and normative geometry make the ring suitable for regular production and incoming inspection tasks where rapid, unambiguous results are required. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 4 x 40 UNC Thread Plug Gauge, 2B, Hardened Gauge Steel, ANSI/ASME B1.1 - Metav IndustryLine
Take advantage of a compact inspection tool that combines ANSI/ASME conformity, hardened gauge steel construction and a 2B tolerance class for dependable thread verification; order the gauge directly via Metav Werkzeuge or ask our consultants if needed. Thread plug gauge UNC No. 4‑40 (ANSI/ASME B1.1) – hardened gauge steel, 2B tolerance The Thread plug gauge UNC, No. 4‑40 is a compact inspection gauge for confirming internal thread size and fit to the UNC standard in industrial metrology. Hardened gauge steel construction ANSI/ASME B1.1/B1.2 conformity UNC No. 4‑40 thread size, 2B class Precision inspection for internal threads Ensure conformity with recognised thread standards Manufactured to ANSI/ASME B1.1/B1.2, the plug gauge provides a fast, reliable decision on whether an internal thread meets specification. The simple pass/fail check afforded by a correctly sized plug minimises downstream rework and supports production throughput: parts that accept the No. 4‑40 UNC gauge are confirmed to meet the nominal size and thread form, while failures are immediately identified for correction. This direct evidence of conformity reduces inspection time and supports consistent quality in machining and assembly operations. Robust material and geometry for long service life The body is made from hardened gauge steel, a choice that balances wear resistance and dimensional stability under regular workshop use. Heat treatment and finishing ensure the working surfaces retain form across repeated engagements, delivering reproducible results over many cycles. The compact size and modest mass facilitate easy handling at the inspection bench while the hardened construction protects critical thread flanks against premature wear, keeping maintenance intervals low and replacement costs predictable. Integrates with workshop quality procedures and traceability As a standardised thread plug gauge, this tool fits directly into routine quality-control steps for thread verification. It is suitable for inline checks during batch production as well as spot checks on assembly receipts. The item is identified by SKU M315.914 and GTIN 4054469179384, which helps with inventory management and traceability in quality documentation. For customers seeking straightforward inspection tools, the gauge offers an efficient combination of precision and ease of use, supporting reliable go/no-go decisions without complex setup. Contact Metav Werkzeuge for expert advice on gauge selection and to request the Metav IndustryLine UNC No. 4‑40 thread plug gauge (SKU M315.914) for immediate integration into existing quality routines Technical data Article number: M315.914 GTIN: 4054469179384 Weight: 0.1 kg Material: Hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Facts Thread size: No. 4‑40 UNC Pitch: 40 tpi Tolerance class: 2B Special features Category: Thread plug gauge Label: Gewinde‑Lehrdorn UNC, Nr. 4 x 40 ANSI B1.1 / 2B Suitable for internal thread verification FAQ What thread standard does this gauge verify? The gauge verifies internal threads manufactured to the ANSI/ASME B1.1/B1.2 standard; the M315.914 checks a No. 4‑40 UNC thread in tolerance class 2B. Is the gauge suited for production-line checks? Yes, the hardened‑steel thread plug gauge is designed for repeated go/no‑go checks and is appropriate for inline sampling during batch production. What does the 2B tolerance class mean for inspection? A 2B tolerance class indicates the standard tolerance for internal UNC threads; the plug gauge confirms whether internal threads meet that specified fit and clearance. Which material is used for the gauge and why? The tool is made from hardened gauge steel to ensure wear resistance and dimensional stability over many inspection cycles. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 4 x 48 UNF Thread Go/No-Go Ring Gauge, Right-Hand, ANSI/ASME B1.1 2A - Metav IndustryLine
Take advantage of a purpose‑built no‑go thread ring that combines strict ANSI conformity, hardened gauge steel, and a clear 2A tolerance for reliable in‑process inspection. Order directly via Metav Werkzeuge or consult the Metav team for application advice and supply from Emmerich. Gewinde‑Lehrring UNF NOGO, No. 4 × 48 (ANSI/ASME B1.1 / 2A) — no‑go thread ring gauge for UNF inspection Gewinde‑Lehrring UNF NOGO, No. 4 × 48 ANSI B1.1 / 2A is designed for go/no‑go control of UNF threads in production and incoming inspection, offering a compact, hardened gauge for repeatable results in workshop or production environments. ANSI/ASME B1.1/B1.2 compliant No. 4 × 48 UNF thread specification No‑go ring gauge, tolerance class 2A Hardened gauge steel construction Ensure thread conformity with a dedicated no‑go control A dedicated no‑go ring gauge is the fastest way to verify that external UNF threads do not exceed the upper tolerance limit. The supplied ring, manufactured in hardened gauge steel, resists wear and preserves the 2A tolerance over many inspection cycles, which reduces false rejects and protects process throughput. This check is particularly effective where repeatability and speed are essential, such as batch release or final inspection. Compact specification tailored for UNF No. 4 × 48 applications The ring matches the No. 4 × 48 UNF standard defined in ANSI/ASME B1.1, ensuring dimensional compatibility with mating components. The gauge’s compact format keeps handling simple on the shop floor while delivering a clear binary result: pass or fail. Using a purpose‑built thread ring accelerates decision making in production and eliminates ambiguity compared with visual checks or ad‑hoc measurement. Built for routine inspection and process reliability Constructed from hardened gauge steel, the gauge offers high surface hardness and dimensional stability under normal shop conditions. The right‑hand thread configuration corresponds to standard external fasteners and simplifies alignment during checking. Regular use of such a gauge supports quality assurance by catching oversize threads before assembly, reducing rework and downstream failures. For consistent thread control trust Metav IndustryLine — contact Metav Werkzeuge in Emmerich for expert advice and prompt supply on this no‑go ring gauge Technical data Article number: M315.974.F GTIN: 4054469180670 Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Type: No‑go thread ring gauge Data Thread: No. 4 × 48 UNF Threads per inch: 48 tpi Tolerance class: 2A Weight: 0.1 kg Mass/Size: No. 4 Special features Right‑hand thread Hardened construction Designed for production and incoming inspection Category: thread gauge / no‑go ring FAQ What is the intended use of this no‑go ring gauge? The no‑go ring gauge is used to check that external UNF threads do not exceed the allowable maximum size; the Gewinde‑Lehrring UNF NOGO, No. 4 × 48 is suitable for production and incoming inspection. Which standard does the gauge follow? The ring is manufactured to ANSI/ASME B1.1, matching the No. 4 × 48 UNF specification and the 2A tolerance class for external threads. Is the gauge suitable for everyday shop use? Yes. The hardened gauge steel construction is intended for routine shop inspection and offers good wear resistance for frequent checks. How is a failed thread identified with this gauge? If an external thread does not enter the no‑go ring, it is within tolerance; if the thread enters the ring, the Gewinde‑Lehrring indicates an oversize or out‑of‑tolerance condition. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 4 x 48 UNF Thread Plug Gauge Go, Right-Hand, Hardened Gauge Steel, ANSI/ASME B1.1/B1.2 - Metav IndustryLine
The hardened, right‑hand UNF GO thread ring gauge No. 4 x 48 (2A) provides repeatable verification to ANSI/ASME B1.1, combining conformity and robust construction for reliable inspection routines; order the gauge directly via Metav Werkzeuge or consult the technical team for application advice. UNF GO Thread Ring Gauge No. 4 x 48 (ANSI/ASME B1.1 / 2A) — Hardened Gauge Steel, Right‑hand Thread — Metav IndustryLine UNF GO Thread Ring Gauge No. 4 x 48 is a precision GO ring gauge designed to check external UNF threads in production and inspection environments according to ANSI/ASME B1.1 standards. ANSI/ASME B1.1/B1.2 conformity Hardened gauge steel construction Right‑hand UNF No. 4, 48 tpi, tolerance 2A Conformity and repeatable inspection results The primary benefit of the gauge is its adherence to ANSI/ASME B1.1, ensuring that acceptance decisions are founded on an established international standard. Manufactured as a GO ring gauge, this tool verifies that external threads meet the maximum material allowance for assembly. Built for routine use in workshop or production inspection, the device supports consistent pass/fail checks and reduces ambiguity in go/no‑go decisions through its standardised geometry. Durable design for industrial handling Constructed from hardened gauge steel, the ring gauge is made to withstand frequent use on the shop floor while maintaining dimensional stability. The right‑hand thread orientation matches standard UNF production and allows direct comparison with external threaded parts. The hardened material and precise manufacturing minimise wear and preserve the gauge form over time, which lowers the need for premature replacements and maintains measurement integrity across production batches. Practical advantages for quality control workflows As a ring gauge with 2A tolerance, the instrument targets common clearance and fit requirements for small UNF threads. With 48 tpi and the No. 4 size, the gauge offers a compact solution for frequent thread checks on components and assemblies. Using a GO ring gauge in a first‑line inspection reduces cycle time compared with full thread measurement, while still providing decisive evidence that a threaded component will assemble correctly into specified mating parts. Traceability and procurement confidence The product is supplied under the Metav IndustryLine range and carries the internal SKU for ordering and stock control. Lightweight and easy to handle, the gauge integrates into existing inspection routines and can be inventoried alongside other gauges and measurement tools. Procurement from Metav provides the additional assurance of established distribution and quality management centred in Emmerich, which supports reliable stock and consistent delivery for production planning. Contact Metav Werkzeuge for purchase or specification matching of the Metav IndustryLine UNF GO thread ring gauge and secure dependable gauges for routine thread inspection — email info@metav-werkzeuge.com or call +49 2822 7131930 Technical data SKU: M315.944.F GTIN: 4054469180038 Designation: UNF GO thread ring gauge No. 4 x 48 2A Facts Size: No. 4 Thread: 48 tpi Tolerance class: 2A Weight: 0.1 kg Materials & special features Material: hardened gauge steel Thread direction: right‑hand Standard: ANSI/ASME B1.1/B1.2 Category: ring gauge FAQ Which standard does this ring gauge follow? This UNF GO thread ring gauge conforms to ANSI/ASME B1.1/B1.2 for UNF thread form and manufacturing dimensions. What size and thread specification does the gauge check? The gauge is designed for UNF No. 4 external threads with 48 threads per inch (tpi) and a 2A tolerance class. What material is the gauge made from and how durable is it? Manufactured from hardened gauge steel, the ring gauge is intended for regular inspection use and offers good wear resistance for repeat go/no‑go checking. How is the gauge intended to be used in a production workflow? As a GO ring gauge, it is used for quick acceptance testing of external threads: the workpiece should enter the gauge without obstruction to confirm conformance to the maximum material condition. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 4 x 48 UNF Thread Plug Gauge, Right-Hand, 2B, ANSI/ASME B1.1 - Metav IndustryLine
Take advantage of the combination of ANSI/ASME conformity, hardened gauge steel and a clear 2B tolerance for fast, repeatable thread inspection; order the gauge directly via Metav Werkzeuge or consult our specialists for application advice. Thread plug gauge UNF No. 4 × 48 (ANSI/ASME B1.1) – hardened gauge steel, 2B The Thread plug gauge UNF No. 4 × 48 (ANSI/ASME B1.1 / 2B) is a right‑hand plug gauge designed for rapid verification of internal UNF threads in production and inspection environments. Right-hand UNF No. 4 × 48 thread gauge Hardened gauge steel for long life ANSI/ASME B1.1 compliant for UNF threads Tolerance class 2B go/no‑go checking Ensure conformance without slowing production A plug gauge built to ANSI/ASME B1.1 permits quick confirmation of internal UNF threads to an industry standard. The go/no‑go principle embedded in the design reduces inspection time while providing an unequivocal pass/fail result, helping maintain throughput on the shop floor. By using a gauge with 2B tolerance, inspectors gain an objective reference that aligns with common assembly and quality criteria, aiding traceability and reducing rework. Durable material and geometry for repeatable checks Manufactured from hardened gauge steel, the gauge resists wear from repeated use and preserves its functional dimensions over many inspection cycles. The right‑hand UNF geometry, sized No. 4 × 48, matches common fine‑thread applications and ensures correct engagement during measuring routines. Robust material selection combined with precise thread form means less frequent replacement and consistent contact behaviour when checking internal threads in a variety of components. Practical advantages for quality teams and production lines Compact and lightweight, the tool delivers reliable verification with minimal handling effort; the small mass facilitates fast manoeuvring in confined assemblies. The standardised thread specification simplifies inventory management and supplier communication, while the clear go/no‑go functionality helps operators make rapid decisions. Integration into existing inspection plans is straightforward, supporting both spot checks and routine batch control without the need for additional measurement equipment. Designed for industrial use and straightforward documentation Traceability is supported by the clear specification and the included identifiers; the gauge is intended for regular use in inspection benches and assembly controls where repeatability matters. The combination of ANSI/ASME compliance, hardened construction and recognised 2B tolerance makes the tool suitable for tasks from subcontractor incoming inspection to final assembly checks. For quality records, the item can be referenced by its part number and GTIN to link inspection results to specific tools. For dependable UNF thread verification, request a quote or technical consultation from Metav Werkzeuge (Emmerich) at info@metav-werkzeuge.com or call +49 2822 7131930 Technical data Article number: M315.914.F GTIN: 4054469179391 Weight: 0.1 kg Material: hardened gauge steel Standard: ANSI/ASME B1.1/B1.2 Facts Thread size: No. 4 Threads per inch: 48 TPI Tolerance class: 2B Tariff number: 90173000 Special features Right-hand thread Go/no‑go plug gauge design Category: Lehren / Messstifte Intended for internal UNF thread verification FAQ What thread form does the gauge check? The gauge checks internal UNF No. 4 × 48 threads in accordance with ANSI/ASME B1.1, offering a go/no‑go indication to confirm correct form. Is the gauge suitable for production line inspection? Yes. The hardened gauge steel and simple go/no‑go function make it suitable for repeated checks on production lines and incoming inspection. What does tolerance class 2B mean for this gauge? Tolerance class 2B denotes the standard internal thread tolerance for unified threads; the plug gauge is manufactured to verify that internal threads meet this common tolerance class. How should the gauge be recorded in quality documentation? Reference the article number M315.914.F and GTIN 4054469179391 when recording measurements to ensure traceability in quality records. Can the gauge be used for non-UNF thread systems? This plug gauge is produced specifically for UNF No. 4 × 48 threads; different thread systems require gauges manufactured to the corresponding standard and size. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
No. 5 40 TPI Thread Plug Gauge UNC, 2B, Hardened Gauge Steel, ANSI/ASME B1.1 - Metav IndustryLine
Take advantage of a hardened gauge built to the ANSI/ASME thread standard, combining repeatable inspection and durable construction for reliable in‑line verification. Order directly via Metav Werkzeuge or consult the Metav team for application guidance and supply certainty. Thread Plug Gauge No. 5 (UNC 40 TPI) — hardened gauge steel, ANSI/ASME B1.1 (2B) by Metav IndustryLine The Thread Plug Gauge No. 5 (UNC 40 TPI, 2B) is a hardened plug for fast verification of internal UNC threads in accordance with ANSI/ASME standards; suitable as a workshop control for routine quality checks Hardened gauge steel for long service life Conforms to ANSI/ASME B1.1 thread standard No. 5, 40 TPI – for UNC internal threads Tolerance class 2B for standard fits Fast, standards‑based inspection for internal UNC threads The Thread Plug Gauge No. 5 (UNC 40 TPI, 2B) provides a concise, standards‑oriented method for checking internal threads. By matching the thread form and pitch specified in ANSI/ASME B1.1, the gauge supplies an objective pass criterion for production parts and incoming inspections. Use of a dedicated inspection gauge reduces interpretation time compared with visual checks, helping to maintain consistent throughput and minimise rework. The clear link to a recognised standard also supports traceable quality documentation in production environments. Robust construction that keeps inspections consistent Constructed from hardened gauge steel, the gauge resists wear and preserves its profile across repeated use, which sustains accuracy and reduces replacement intervals. The combination of a hardened material and compact geometry yields a tool that is simple to handle—its listed mass of 0.1 kg contributes to quick positioning while avoiding unnecessary operator fatigue. For routine shop use, this resilience translates into fewer process interruptions and predictable measurement results that feed directly into quality control workflows. Practical fitment and workshop compatibility Designed for internal UNC threads at 40 TPI and finished to tolerance class 2B, the item is suitable where a standard thread fit is required. The gauge is compact and easily stored with other measuring tools, and its specification makes it straightforward to include in inspection plans or control charts. Identified as M315.915, the unit is ready for integration into inventory and traceability systems and pairs well with existing gauging and go/no‑go workflows to speed decisions on acceptance or further machining. For reliable thread inspection and dependable delivery from Metav IndustryLine, contact Metav Werkzeuge in Emmerich for tailored advice and ordering assistance Technical data Article number: M315.915 GTIN: 4054469179407 Weight: 0.1 kg Material: hardened gauge steel Facts Designation: No. 5 Thread: UNC 40 TPI Tolerance class: 2B Standard: ANSI/ASME B1.1/B1.2 Special features Hardened gauge steel Intended use: internal thread verification Category: gauge pins; gauges FAQ What does tolerance class 2B indicate for internal threads? Tolerance class 2B denotes a standard internal thread fit with moderate allowance for clearance; the Thread Plug Gauge No. 5 (UNC 40 TPI, 2B) checks that threads meet this conventional tolerance for general mechanical assemblies. Is the gauge compliant with industry standards? Yes—the plug gauge conforms to ANSI/ASME B1.1, ensuring the thread form and pitch match accepted UNC specifications for reliable interchangeability. Which materials suit inspection with this gauge? The gauge itself is made from hardened gauge steel; it is used to inspect internal threads regardless of the workpiece material, provided the thread form is UNC No. 5 at 40 TPI. How should the gauge be referenced in inventory and documentation? Reference as M315.915 — Thread Plug Gauge No. 5, UNC 40 TPI, 2B — to ensure unambiguous traceability in procurement and quality records. Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com
Fast, tactile checks where electronics are impractical
Gauges and test pins provide unequivocal go/no-go results for threads, bores, gaps and radii without relying on electronics. The range covers plug gauges and ring gauges for internal and external threads, feeler gauges and precision feeler strips for micro‑gap assessment, plus probe pins and measuring pins for tactile diameter and pitch checks.
How these tools work in the production environment
Mechanical gauges operate as direct reference standards: a plug gauge or ring gauge verifies conformity to thread profiles and mating ability, while limit gauges separate accept from reject in a single step. Test pins are used to tactilely measure small bore diameters, centre‑to‑centre distances and radii. Manufactured from hardened gauge steel or ceramic and often precision lapped, these instruments deliver immediate physical results that are ideal for incoming inspection, machine‑side checks and final control.
Measurable benefits that affect production performance
- Reduced scrap and rework through rapid, unambiguous pass/fail assessment.
- Increased repeatability thanks to very low measurement uncertainty and fine lapping.
- Lower downtime: quick checks at the machine save cycle time and reduce setup periods.
- Durable construction with high wear resistance from specialised, low‑distortion alloys.
- Versatile delivery formats: individual gauges, organised sets in wooden cases or metre‑length feeler rolls compliant with DIN 2269.
Why Metav is the practical choice for precision supplies
Metav combines decades of expertise with a broad warehouse and quality filtering from Emmerich. As a precision partner for industry, craft and trade, Metav supplies a comprehensive selection of gauges and test pins alongside complementary tools such as precision calipers and setting rings. With over 48,000 customers and a catalogue exceeding 250,000 items, Metav is positioned to supply reliably, reduce vendor complexity and support traceable quality control to national standards.
Summary
Gauges and test pins are indispensable for dependable, repeatable quality assurance where tactile, mechanical verification is preferred. Choose these plug gauges, ring gauges, feeler strips and probe pins when immediate, robust measurement decisions are required on the shop floor.
FAQ
What materials are gauges and test pins typically made from?
Gauges and test pins are usually manufactured from hardened gauge steel for durability and wear resistance; ceramic variants are available where thermal stability and minimal wear are critical.
How do thread gauges ensure mating capability?
Thread plug gauges and ring gauges check flank diameters and thread form against standards, providing a clear go/no‑go verdict that confirms pairability with mating parts.
Which tolerance class should I choose for probe pins and gauge sets?
Select tolerance classes aligned with your inspection requirements; for high‑precision tasks, sets produced to DIN 2269 or equivalent tolerance classes ensure micrometre‑level control and repeatability.
Can feeler gauges measure contact gaps in valve and engine work reliably?
Yes. Feeler gauges and precision feeler strips, supplied either as a fan or metre‑length rolls, allow accurate assessment of valve clearances and contact gaps down to micrometre increments.
How do limit gauges speed up in‑process inspection?
Limit gauges separate good from bad in a single, tactile operation, enabling rapid go/no‑go checks at the machine and reducing both inspection time and the likelihood of human interpretation errors.
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