9/16" 24 TPI NOGO UNEF Thread Plug Gauge Right-Hand, Hardened Gauge Steel, ANSI/ASME B1.1/B1.2 - Metav IndustryLine

Take advantage of a hardened gauge-steel design and ANSI/ASME conformity for consistent go/no-go assessment of UNEF threads; the NOGO configuration and tolerance class 2A minimise false acceptance and support uninterrupted production. Order the gauge directly via Metav Werkzeuge or consult our experts for application advice.

UNEF NOGO Thread Gauge, 9/16-24 (ANSI/ASME B1.1/B1.2) — Metav IndustryLine

The UNEF NOGO Thread Gauge, 9/16-24 is a right-hand NOGO ring for fast go/no-go inspection of external UNEF threads in workshop and production environments

• Hardened gauge steel construction
• Conforms to ANSI/ASME B1.1/B1.2
• NOGO ring for UNEF 9/16-24 threads
• Tolerance class 2A — right-hand thread

Reliable assessment that reduces rework and inspection time

The NOGO ring is engineered for repeatable, quick checks of external threads and is ideal where a simple pass/fail decision must be reliable under production conditions. Made from hardened gauge steel, the ring resists wear and retains its checking profile over many cycles, which reduces measurement drift and the need for frequent replacement. Its NOGO function means the gauge is used to verify that the major diameter or thread form does not exceed the maximum material condition — a direct way to prevent oversize threads from passing inspection and so to cut downstream rework.

Conformity to standards for clear acceptance criteria

Compliance with ANSI/ASME B1.1/B1.2 provides unambiguous criteria for thread acceptance and aligns inspection practice with commonly applied industrial standards. The gauge’s specification — 9/16-24 with tolerance class 2A — matches typical production and maintenance requirements for fine-threaded fastenings, enabling consistent decisions on interchangeability and fit. Using a dedicated NOGO ring simplifies quality workflows: a single tactile check replaces more time-consuming measurements, improving throughput while maintaining objective control.

Practical durability and handling for everyday shop use

Designed as a compact inspection tool, the ring offers a robust balance of stiffness and portability; the listed weight supports easy handling during repetitive checks. The right-hand thread configuration suits standard external threads and the tool’s hardened construction supports long service life even in routine shop-floor conditions. For procurement and traceability the gauge is supplied with the manufacturer’s identification, helping to maintain an auditable inspection regime within production or maintenance documentation.

For precision thread inspection rely on Metav IndustryLine — order the UNEF NOGO thread gauge through Metav Werkzeuge or contact our consultants at +49 2822 7131930 / info@metav-werkzeuge.com for tailored advice

Technical Data

• Article number: M315.985.EF
• GTIN: 4054469180939
• Weight: 0.4 kg
• Material: gauge steel, hardened
• Standard: ANSI/ASME B1.1/B1.2

Facts

• Thread size: 9/16"
• Pitch: 24 TPI
• Tolerance class: 2A
• Configuration: NOGO (external thread check)

Special features

• Right-hand thread
• eClass: 21170214
• Category path: Gauges / Inspection rings
• Label: Gewinde-Lehrring UNEF NOGO, 9/16 x 24 ANSI B1.1 / 2A

FAQ

What is the purpose of a NOGO ring?
A NOGO ring serves as a go/no-go control for external threads; the UNEF NOGO Thread Gauge, 9/16-24 from Metav IndustryLine is used to confirm that a thread does not exceed maximum material limits and thus prevents oversized parts from being accepted.

Which standard does this thread gauge follow?
The checking dimension and acceptance criteria follow ANSI/ASME B1.1/B1.2, and the supplied gauge is specified for UNEF 9/16-24 threads with tolerance class 2A.

Can this gauge be used in a production environment?
Yes. The design and hardened gauge steel construction make the UNEF NOGO Thread Gauge suitable for routine production checks and rapid go/no-go inspection tasks.

How does tolerance class 2A affect inspection?
Tolerance class 2A defines the external thread tolerance band; using the 2A NOGO ring ensures that threads meet the intended fit and mating requirements for standard external UNEF threads.

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