1 5/16" UNEF Thread Go/No-Go Plug Gauge 18 TPI Right-Hand ANSI B1.1/B1.2, 2B - Metav IndustryLine

Take advantage of the combination of hardened gauge steel, strict ANSI/ASME B1.1 conformity and the precise 2B tolerance class to ensure reliable internal thread inspection. Order this inspection gauge directly from Metav Werkzeuge or contact our consultants for specification advice.

Thread plug gauge UNEF 1 5/16 x 18, 2B — hardened gauge steel, ANSI/ASME B1.1 (Metav IndustryLine)

The Thread Plug Gauge UNEF 1 5/16 x 18 2B is a hardened inspection gauge designed to verify internal right‑hand UNEF threads to ANSI/ASME B1.1 tolerances in production and quality‑control environments

• Hardened gauge steel construction
• Conforms to ANSI/ASME B1.1 standard
• Right‑hand UNEF thread, 1 5/16" x 18 tpi
• Tolerance class 2B for accurate inspection

Consistent, standard‑based thread verification for production

This inspection tool is engineered for repeatable verification of internal threads in accordance with ANSI/ASME B1.1. The 1 5/16" x 18 tpi specification and UNEF form are matched to standard thread geometries so that measurements are directly comparable to drawing tolerances. The 2B tolerance class signifies the medium internal‑thread tolerance commonly specified for general engineering use; it provides a reliable pass/fail criterion for acceptance of threaded holes without requiring additional interpretation. Using a gauge made from hardened gauge steel reduces wear and preserves thread geometry over many inspection cycles, supporting consistent decision‑making on the shop floor.

Robust materials and handling for workshop environments

Manufactured from hardened gauge steel, the gauge combines surface strength with dimensional stability to withstand repeated engagement in threaded components. The compact form and a mass of approximately 0.6 kg make handling straightforward during routine checks while ensuring sufficient rigidity for stable engagement. The right‑hand thread orientation and standard pitch simplify integration into existing inspection routines, reducing cycle time for thread checks and helping maintain throughput. Built for repeatability, the gauge supports efficient quality control and reduces rework by catching out‑of‑tolerance internal threads early in the process.

Practical applications and benefits across industries

This type of plug gauge is suited to machine shops, maintenance departments and quality laboratories where standard UNEF threads are used. Typical applications include component inspection during assembly, incoming inspection of purchased parts and spot checks in maintenance cycles. By providing a simple, standardised indicator of conformity, the gauge helps enforce manufacturing tolerances and improves overall process reliability. Where traceable measurement and consistent criteria are required, this inspection implement from Metav IndustryLine offers a pragmatic balance between ruggedness and metrological clarity.

For application advice or to procure this Metav IndustryLine thread plug gauge for immediate use in inspection operations, contact Metav Werkzeuge in Emmerich by phone on +49 2822 7131930 or by email at info@metav-werkzeuge.com

Technical data

• SKU: M315.933.EF
• GTIN: 4054469179865
• Norm: ANSI/ASME B1.1/B1.2

Facts

• Size: 1 5/16"
• Threads per inch: 18 tpi
• Weight: 0.6 kg

Special features

• Hardened gauge steel
• Right‑hand UNEF thread
• Tolerance class 2B
• ANSI/ASME B1.1/B1.2 compliance

FAQ

What does the 2B tolerance class mean for internal threads?
The 2B tolerance class indicates a medium tolerance for internal threads; the Thread Plug Gauge UNEF 1 5/16 x 18 2B verifies that internal threads meet this common engineering class for fit and function.

Is this gauge suitable for production spot checks?
Yes, the gauge is intended for routine thread inspection in production environments and is appropriate for quick pass/fail checks of UNEF internal threads.

Which standard does the gauge follow?
The inspection implement is manufactured to comply with ANSI/ASME B1.1/B1.2, ensuring dimensional compatibility with standard UNEF thread specifications.

What material is the gauge made from and why does it matter?
The gauge is made from hardened gauge steel, which increases wear resistance and preserves dimensional stability for reliable, repeatable thread verification.

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