No. 8 x 36 UNF Thread Ring Gauge NOGO, Right-Hand, ANSI/ASME B1.1 2A - Metav IndustryLine

Take advantage of precise, repeatable inspection with a hardened gauge-steel NOGO ring that verifies UNF external threads to ANSI/ASME B1.1 tolerances, reducing the risk of non-conforming parts and keeping production flow consistent; order directly via Metav Werkzeuge or consult our specialists for application advice.

UNF NOGO Thread Ring Gauge No. 8 × 36, ANSI/ASME B1.1 – 2A (Metav IndustryLine)

A UNF NOGO thread ring gauge No. 8 × 36 designed for fast verification of right-hand external threads to tolerance class 2A, suitable for production and incoming‑inspection tasks

• NOGO ring for UNF No. 8 × 36
• Hardened gauge steel construction
• Conforms to ANSI/ASME B1.1 tolerance class 2A
• Right-hand thread verification

Fast go/no‑go control that prevents line stoppages

The NOGO ring is a straightforward tool for process control: as a NOGO check it confirms when an external thread is oversize and therefore non-conforming, enabling immediate separation of rejects. Using a dedicated ring for UNF No. 8 × 36 (36 tpi) shortens inspection time compared with full dimensional measurement and helps maintain throughput on the shop floor. The clear pass/fail criterion supports rapid decision‑making and reduces downstream rework costs while improving overall equipment effectiveness.

Robust construction for long service life and stable results

Manufactured from hardened gauge steel, the ring offers wear resistance and dimensional stability in repetitive inspection cycles. The material choice and heat treatment deliver consistent contact geometry, so repeatability remains high even in demanding production environments. A compact, rigid ring body minimises deformation during handling, preserving the 2A tolerance class check performance and extending intervals between verification or refurbishment.

Standards-based verification and unambiguous documentation

Compliance with ANSI/ASME B1.1/B1.2 gives a reliable reference for procurement and quality procedures; the tolerance class 2A denotes the external thread fit intended for this size. For auditors and quality records, the use of a standards‑conforming ring gauge simplifies acceptance criteria and traceability. The gauge is particularly suited to in‑process checks, first‑article inspection and spot checks in incoming‑part control where adherence to recognised thread standards is mandatory.

Practical handling and inspection workflow benefits

As a single‑purpose NOGO ring, the gauge minimises operator interpretation: if the ring does not fit, the part is immediately flagged non‑conforming. This reduces cycle time per part and limits reliance on subjective assessments. The compact form and light weight make it easy to integrate into standard inspection stations or tool trolleys, supporting lean workflows and helping maintain consistent quality across shifts.

Contact Metav Werkzeuge for tailored advice and reliable supply of Metav IndustryLine gauges — Metav’s specialists will help ensure the correct gauge selection and delivery to your workshop

Technical data

• Article number: M315.977.F
• GTIN: 4054469180731
• Description: UNF NOGO thread ring gauge No. 8 × 36

Facts

• Size: No. 8
• Thread pitch: 36 tpi
• Tolerance class: 2A
• Weight: 0.1 kg

Special features

• Material: hardened gauge steel
• Standard: ANSI/ASME B1.1/B1.2
• Function: NOGO ring for external threads
• Thread direction: right-hand

FAQ

What does a NOGO ring gauge check on an external thread?
A NOGO ring gauge detects whether an external UNF thread exceeds the permitted maximum material condition; the UNF NOGO thread ring gauge No. 8 × 36 identifies oversize parts that must be rejected.

Which standard and tolerance does this gauge follow?
The ring is manufactured to ANSI/ASME B1.1/B1.2 and intended for external threads to tolerance class 2A, matching common engineering and procurement specifications.

How durable is the gauge in a production environment?
Made from hardened gauge steel, the ring offers high wear resistance and stable geometry under repeated use, ensuring reliable checks over extended inspection cycles.

Can this gauge be used for both incoming inspection and in‑process control?
Yes; the UNF NOGO ring gauge No. 8 × 36 is suitable for incoming‑part checks and quick in‑process verification where a clear go/no‑go decision is required.

Is the thread direction important for the check?
Yes; this ring is configured for right‑hand external threads and must match the thread direction of the part being inspected.

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