1" UNC GO Thread Ring Gauge 1×8 TPI ANSI B1.1 2A, Hardened Gauge Steel - Metav IndustryLine

Take advantage of the combination of highly repeatable thread checking, ANSI/ASME conformity and robust hardened gauge steel for reliable inspection cycles; order the gauge directly via Metav Werkzeuge or consult our specialists for application advice.

Thread ring gauge UNC GO, 1 in. x 8 TPI (2A) — Go gauge by Metav IndustryLine

The Thread ring gauge UNC GO, 1 in. x 8 TPI (2A) is a dedicated Go gauge for quick verification of UNC external threads to ANSI/ASME B1.1 tolerances.

• Go gauge for UNC 1 in. x 8 TPI
• Hardened gauge steel construction
• Made to ANSI/ASME B1.1/B1.2 standards
• Compact, workshop-ready inspection tool

Ensuring repeatable, standards-based thread verification

A purpose-built Go ring provides a fast, objective check that an external thread falls within the allowable form limits. Manufactured from hardened gauge steel, this ring is dimensionally stable and resists wear, which preserves inspection repeatability over many cycles. Conformance to ANSI/ASME B1.1/B1.2 ensures the gauge interfaces with common UNC 2A external-thread classes, so the inspection result integrates directly into established QA workflows and documentation practices.

Robust design that reduces downtime and handling errors

The solid construction of the ring minimises the risk of distortion during handling and inspection, making measurements consistent even under frequent use. The 1 in. x 8 TPI geometry is stamped into the ring and matched to the 2A tolerance class, enabling rapid Go/no‑go decisions without time‑consuming adjustments. Where throughput and operator efficiency matter, a dedicated Go gauge streamlines process control and reduces the likelihood of false rejections, supporting smoother production runs and lower rework rates.

Practical integration into inspection routines and traceability

As a Go-only ring, this gauge is intended for acceptance checks rather than profile measurement: if the thread fully accepts the Go ring, the external thread meets the intended maximum material condition. The compact form and clear identification (including the SKU and GTIN in technical records) make it straightforward to include the gauge in statistical process control and inspection logs. Marked conformity to recognised standards simplifies audit trails and ensures inspection records are comparable across suppliers and sites.

Built for workshop use and long service life

Components manufactured from hardened gauge steel are optimised for longevity while retaining the dimensional accuracy necessary for Go checking. The ring’s weight and balanced geometry facilitate controlled handling, helping to avoid accidental over‑engagement or cross‑threading during checks. For operations that require rapid, reliable acceptance testing of UNC external threads, this gauge provides a durable, low‑maintenance solution that keeps inspection simple and effective.

For a reliable thread inspection workflow, contact Metav Werkzeuge to discuss Metav IndustryLine gauges and to arrange supply or technical advice tailored to specific production requirements.

Technical data

• Article number: M315.960
• GTIN: 4054469180410
• Description: Thread ring gauge UNC GO, 1 in. x 8 TPI, 2A
• Material: Hardened gauge steel

Facts

• Size: 1 in.
• Pitch: 8 TPI
• Tolerance class: 2A
• Weight: 0.6 kg
• Standard: ANSI/ASME B1.1/B1.2

Special features

• Go-only ring for external thread acceptance
• Workshop-ready, durable construction
• Clearly marked identification for traceability

FAQ

What is the intended use of this Go ring gauge?
The Thread ring gauge UNC GO, 1 in. x 8 TPI (2A) is intended for rapid acceptance checks of external UNC threads to confirm they meet the maximum material condition specified by ANSI/ASME B1.1.

Which materials is the gauge suitable for inspecting?
The gauge checks thread form regardless of the substrate; it is manufactured from hardened gauge steel to withstand repeated engagement with external threads on components made from common engineering materials.

Does the gauge conform to a recognised standard?
Yes, the ring is produced to match the dimensions and tolerances of ANSI/ASME B1.1/B1.2 for UNC threads and is designated as a 2A Go gauge for 1 in. x 8 TPI threads.

How should the gauge be used in a production environment?
Use the gauge as a Go-only acceptance check: the external thread should fully engage the Go ring without forced entry. Record the result in inspection logs; the ring’s marked identification supports traceability in quality documentation.

What identification is available for inventory and record-keeping?
The product is listed under SKU M315.960 with GTIN 4054469180410, enabling straightforward inventory management and audit traceability.

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