JBO Thread Plug Gauge (GO) - UNC - Right Hand - 2B - 2 1/4 x 4.5 S&E reducing runout and improving bore

reducing runout and improving bore accuracy across operations

smooth cuts on challenging surfaces

suitable for preparing edges before fastener installation

Constructed from hardened steel with excellent wear resistance

and ease of use for production runs

JBO Thread Plug Gauge (GO) - UNC - Right Hand - 2B - 2 1/4 x 4.5 S&E reducing runout and improving boreThe JBO Thread Plug Gauge (GO) is a precision inspection tool engineered to verify threaded holes meet UNC standards. Its an essential asset for manufacturing floors, automotive shops, and aerospace QA teams that rely on quick, reliable go checks to confirm hole readiness and proper fit with the mating bolt. Precise UNC 2B Go Verification: Confirms that threaded holes meet the Unified Thread Standard for right hand threads in the 2 1 4 x 4. 5 size,