Insize Imperial Thread Ring Gauge GO 1/4-20 UNC Class 2A Series 4633-1B2 CH Tools Pilot Pin Ø7.98 × 130mm – For 75mm D.O.C Annular Cutters combining durability and performance in

combining durability and performance in a professional-grade setup

Bore diameter 12 mm

Corrosion-Resistant Aluminium: Made from aluminium

and sensitive control allow accurate alignment of taps

Insize Imperial Thread Ring Gauge GO 1/4-20 UNC Class 2A Series 4633-1B2 CH Tools Pilot Pin Ø7.98 × 130mm – For 75mm D.O.C Annular Cutters combining durability and performance inThe Insize 4633 1B2 Imperial Thread Ring Gauge (GO) is designed for accurate inspection of external Unified threads, ensuring they meet ANSI B1. 2 standards. This GO gauge verifies the maximum material condition of the thread, allowing quick confirmation that the thread will assemble correctly within tolerance. Manufactured from high quality alloy tool steel (OHNS) and hardened for durability, this gauge delivers excellent wear resistance and