and improved surface quality over the course of a machining run
Its robust clamping mechanism and precise alignment support smoother workflows
This item is manufactured to order and dispatched within 24–48 hours
ISO H5 tolerance and defined size: Ensures precise hole size you can trust in critical assemblies and repeatable production runs
and produce better-fitting components
JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M3.5 x 0.6 S&E and improved surface quality overThe JBO Thread Plug Gauge is a precision inspection tool engineered for metric coarse threads. Its specifically matched to M3. 5 x 0. 6 coarse threads, making it ideal for engineers, machinists, quality inspectors, buyers, tradespeople, and hobbyists who need fast, reliable hole checks and consistent thread verification. With a Go No Go design, this gauge delivers quick pass fail assessments of threaded holes, helping you confirm fits and reduce the