Insize Thread Plug Gage 5/16-18 UNC Class 2B Series 4643-5D1 150x110x70 mm ABS Plastic IP65 Waterproof Junction Box ✔ Thread Size: 1/4" BSW

✔ Thread Size: 1/4" BSW (British Standard Whitworth)✔ Standard: ISO 529✔ Material: High-Speed Steel (HSS) for enhanced strength and wear resistance✔ Thread Form: 55° flank angle for precise and secure Whitworth threading✔ Tolerance Class: Class 2 for a standard thread fit✔ Flute Type: Straight flute for effective chip removal✔ Lead Type: Intermediate lead for balanced cutting performance✔ Cutting Direction: Right-hand cutting✔ Application: General-purpose threading across various materials

Why Choose the SOMTA 5511432 Second Tap

3" Calibration rod

versatile usage

and wood across workshop

Insize Thread Plug Gage 5/16-18 UNC Class 2B Series 4643-5D1 150x110x70 mm ABS Plastic IP65 Waterproof Junction Box ✔ Thread Size: 1/4" BSWInsize Thread Plug Gage 5 16 18 UNC Class 2B Series 4643 5D1 The Insize 4643 5D1 Thread Plug Gage is engineered for precise inspection of 5 16 18 UNC internal threads, Class 2B. It complies with ANSI B1. 2 standards and features both GO and NOGO members for accurate gauging. Made from OHNS steel hardened to HRC6062, this gage provides durability and wear resistance. Supplied with a manufacturer's inspection certificate for guaranteed quality.