JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M40 x 1 Endmill25 Material: HSS-E (High-Speed Steel for

Material: HSS-E (High-Speed Steel for enhanced tool life and toughness)

straight‑shank tool designed for accurate hole finishing in metalworking

Geometry: Optimized flute geometry for efficient material removal and cutting stability

and protective coating helps you maintain steady feeds

and 6 mm shank

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M40 x 1 Endmill25 Material: HSS-E (High-Speed Steel forThe JBO Thread Plug Gauge is a precision tool designed for metric fine threads, enabling fast and reliable verification of internal threads in holes and mating parts. Specifically configured for M40 x 1, right hand threads with a 6H tolerance, this gauge is ideal for manufacturing floors, quality labs, and service environments where accurate thread fit is critical. Its Go No Go design gives inspectors and machinists a clear, instant indication of