Insize Thread Plug Gage 1/2-20 UNF Class 2B Series 4643-1A2 Insize GO Thread Ring Gauge M4X0.7 Series 4120-4 Suitable for inside and outside

Suitable for inside and outside squareness checking

ground and lapped for absolute accuracy

Its straight flute design supports efficient chip evacuation

Shockproof dial design for durability

Please note that it is not suited for use with potable water

Insize Thread Plug Gage 1/2-20 UNF Class 2B Series 4643-1A2 Insize GO Thread Ring Gauge M4X0.7 Series 4120-4 Suitable for inside and outsideInsize Thread Plug Gage 1 2 20 UNF Class 2B Series 4643 1A2 The Insize 4643 1A2 Thread Plug Gage is built for precise checking of 1 2 20 UNF internal threads, Class 2B. Manufactured to ANSI B1. 2 standards, it features GO and NOGO members to ensure accurate and repeatable inspection. Made of OHNS steel with HRC6062 hardness, it offers wear resistance and reliability. Supplied with a manufacturer inspection certificate. Specifications: Part No: 4643