With its carbide composition and strict tolerances
enabling accurate checks without swapping gauges or layouts
right-hand cut for precision: Left-hand flutes improve chip evacuation and reduce tool deflection
005 mm) with durable wear resistance for long service life and dependable interchangeability
The square-edge geometry produces clean
JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - No. 5 x 40 Die & Mould Collet Chucks With its carbide composition andThe JBO Thread Plug Gauge is a precision inspection tool for verifying UNC threaded holes. Designed for engineers, machinists, quality inspectors, and technicians across manufacturing, automotive, and aerospace sectors, it helps confirm that holes meet Unified Thread Standard requirements. In a compact righthand 2B gauge sized No. 5 x 40, it delivers quick, reliable go no go checks that support proper fitment and repeatable results. Go No Go quick