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

Optional Accessories: Data output system (Part Nos: 7306-20

and lapped for high accuracy

Shockproof dial design for durability

Heat Resistance: These inserts are designed to perform even in high-temperature environments

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