Insize Thread Plug Gage 3/4-16 UNF Class 2B Series 4643-3B2 Insize Screw Thread Micrometer 125-150mm Range Series 3281-150A this 2-3/16" bushing securely holds

this 2-3/16" bushing securely holds the broach in place while directing it through the machined hole

Accuracy: 10 µm

this full-profile insert accurately forms the entire thread crest

Part Number: 21716

Insize Thread Plug Gage 3/4-16 UNF Class 2B Series 4643-3B2 Insize Screw Thread Micrometer 125-150mm Range Series 3281-150A this 2-3/16" bushing securely holdsInsize Thread Plug Gage 3 4 16 UNF Class 2B Series 4643 3B2 The Insize 4643 3B2 Thread Plug Gage is built for checking 3 4 16 UNF internal threads, Class 2B. Conforming to ANSI B1. 2, it features GO and NOGO members for precise gauging. Made of OHNS steel with HRC6062 hardness, it provides long term durability. Supplied with a manufacturer's inspection certificate. Specifications: Part No: 4643 3B2 Thread Size: 3 4 16 UNF Class: 2B Type: Thread Plug