JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M6 x 1 End Mill Holders Achieve tight tolerance hole finishes

Achieve tight tolerance hole finishes with the Toolex Reamer - Taper Shank - Spiral Flute - Standard Length - HSS - H5

reliable mounting in common toolholders

DIN 8093 / ISO H4 tolerance with K10 carbide: Ensures repeatable hole sizes that align with standard tooling

it pairs robust HSS-E cobalt construction with a geometry that delivers real-world performance across materials

0015 mm helps achieve consistent hole sizes with minimal finishing work

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M6 x 1 End Mill Holders Achieve tight tolerance hole finishesThe JBO Thread Plug Gauge is a purpose built tool for metric coarse threads, specifically designed to verify threaded holes quickly and accurately. Perfect for machinists, inspectors, and assembly teams handling M6 x 1 fasteners, it provides a reliable Go No Go check to ensure hole size and pitch meet standard requirements for left hand threaded components. Go No Go quick verification: enables fast, confidence boosting checks of hole readiness,