JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M6 x 0.25 M&D accurate results in tight pockets

accurate results in tight pockets and deep grooves

2-flute long-length geometry: Optimized for stability and aggressive material removal in challenging molds

and enhanced stability when machining mold steels below 55 HRc and pre‑hardened alloys

01 mm nominal) across batches for reliable assembly and quality control

25mm is a precision finishing tool designed to bring pre-drilled holes to a exact 9

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6H - M6 x 0.25 M&D accurate results in tight pocketsThe JBO Thread Plug Gauge is a precision tool designed for metric fine threads. Sized for M6 x 0. 25 with a 6H tolerance, it helps machinists, quality teams, and assembly professionals quickly verify threaded holes align with spec. Two ends with a Go No Go design enable fast pass fail checks, so you can confirm fit without guesswork or downtime. The hardened steel construction stands up to daily workshop use, delivering reliable performance and long