1" UNC 8 Tpi Thread No-Go Ring Gauge, Hardened Gauge Steel, ANSI/ASME B1.1 2A - Metav IndustryLine

Precise NO‑GO control for 1 in × 8 tpi UNC external threads and hardened gauge steel construction ensure repeatable inspection and compliance with ANSI/ASME B1.1. Use the gauge to prevent oversize threads and reduce rework. Order the thread ring gauge directly via Metav Werkzeuge or ask our consultants if needed.

Thread ring gauge NO‑GO, 1 in × 8 UNC, 2A (Metav IndustryLine)

The thread ring gauge NO‑GO, 1 in × 8 UNC 2A verifies that external threads remain within maximum material limits and supports routine inspection tasks in production and workshop environments under ANSI/ASME B1.1.

• Hardened gauge steel construction
• ANSI/ASME B1.1 thread standard
• 2A tolerance class for external threads
• NO‑GO control for 1 in × 8 tpi UNC threads

Consistent, standards‑compliant thread inspection

This ring gauge is designed for straightforward, repeatable checks of external UNC threads. The NO‑GO function confirms that a threaded part does not exceed the maximum material condition; if the gauge does not enter, the thread is acceptable. Built to ANSI/ASME B1.1/B1.2 requirements with a 2A tolerance class, the tool provides a clear go/no‑go decision that speeds up quality control and reduces subjective judgement. Using a dedicated ring gauge simplifies inspection routines and shortens cycle times on the shop floor while maintaining traceable conformity.

Robust material and handling for everyday workshop use

Manufactured from hardened gauge steel, this ring gauge resists wear and keeps dimensions stable over repeated use, which lowers long‑term inspection costs. The compact, hand‑friendly form enables quick checks during assembly and at incoming inspection stations. Its mass and finish provide the rigidity required to avoid false readings caused by deformation, ensuring each measurement remains reliable. The solid construction supports longevity in demanding environments, reducing the frequency of replacements and the associated downtime.

NO‑GO control as an efficiency and risk‑reduction measure

Employing a NO‑GO thread ring significantly lowers the risk of assembly failure by flagging oversize external threads before parts reach fitting or final assembly. This preventative approach delivers measurable savings: fewer rejected assemblies, reduced rework and faster throughput. The gauge is an uncomplicated, compliance‑focused instrument that complements dimensional checks and statistical process control, giving teams a practical way to enforce tolerances without adding complexity to inspection workflows.

For sourcing and expert advice on the Metav IndustryLine NO‑GO thread ring gauge, contact Metav Werkzeuge GmbH—Metav’s team can confirm suitability for specific assemblies and ensure rapid supply to your workshop; call +49 2822 7131930 or email info@metav-werkzeuge.com

Technical data

• SKU: M315.990
• GTIN: 4054469181066
• Article: Thread ring gauge NO‑GO, 1 in × 8 UNC, 2A

Facts

• Diameter: 1 in
• Pitch: 8 tpi
• Tolerance class: 2A
• Weight: 0.6 kg

Special features

• Material: hardened gauge steel
• Standard: ANSI/ASME B1.1 / B1.2
• Type: NO‑GO ring gauge
• Application: external thread inspection
• Category: Gauges (thread inspection)

FAQ

What does a NO‑GO ring gauge check?
A NO‑GO ring gauge verifies that an external thread does not exceed the maximum material condition; the thread ring gauge NO‑GO, 1 in × 8 UNC 2A must not enter an acceptable thread.

Is this gauge compliant with industry standards?
Yes, the ring gauge conforms to ANSI/ASME B1.1/B1.2 and is manufactured to meet the specified 2A tolerance for external 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 for consistent inspections over many cycles.

Can this gauge be used for production and incoming inspection?
The instrument is suitable for both production checks and incoming inspection; the clear go/no‑go condition supports rapid decision making on the shop floor.

Which thread size and pitch does this gauge check?
This ring gauge is specified for 1 in diameter with 8 tpi (UNC) threads, matching the data stamped on the product.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com