Insize Thread Plug Gage 3/8-16 UNC Class 2B Series 4643-3C1 35mm Tungsten Carbide Tipped Holesaw (1/2" Shank) 25mm D.O.C the INSIZE Scriber Attachment is

the INSIZE Scriber Attachment is the perfect tool for enhancing the performance of height gauges

and Solid Carbide threadmills delivering unmatched accuracy

reliable measurement

ensuring a more secure repair for high-stress and high-wear applications

Insize Thread Plug Gage 3/8-16 UNC Class 2B Series 4643-3C1 35mm Tungsten Carbide Tipped Holesaw (1/2" Shank) 25mm D.O.C the INSIZE Scriber Attachment isInsize Thread Plug Gage 3 8 16 UNC Class 2B Series 4643 3C1 The Insize 4643 3C1 Thread Plug Gage is made for 3 8 16 UNC internal threads, Class 2B. Built to ANSI B1. 2 standards, it includes GO and NOGO ends for precise inspection. Constructed from OHNS steel and hardened to HRC6062, it provides exceptional wear resistance. Supplied with a manufacturer's inspection certificate. Specifications: Part No: 4643 3C1 Thread Size: 3 8 16 UNC Class: 2B Type: