JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - No. 5 x 40 Die & Mould Collet Chucks enabling accurate checks without swapping

enabling accurate checks without swapping gauges or layouts

improving part fit and reducing stress concentrations

0 mm—with a tight tolerance of +0/-0

and a long reach reduces tool changes and rework

Its durability and thoughtful design minimize downtime and maintenance

JBO Thread Plug Gauge - UNC Go-No/Go - Right Hand - 2B - No. 5 x 40 Die & Mould Collet Chucks enabling accurate checks without swappingThe 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