JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 2 Power Milling Chucks The Toolex Reamer is an

The Toolex Reamer is an intermediate precision HSS (M2) taper-shank reamer built for finishing holes with tight

Go/No-Go quick checks: Instantly confirm hole acceptance with a simple pass/fail indication

DIN 206-B compliance with ISO H5 tolerance: Precise final bore size and repeatable results that align with standard measuring practices and tooling families

and streamline production workflows across batches of metric coarse threaded components

Size and fit for compatible tooling: 18

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M40 x 2 Power Milling Chucks The Toolex Reamer is anThe JBO Thread Plug Gauge is a precision tool designed for metric fine threads, helping you verify threaded holes quickly and confidently. Built for engineers, machinists, quality inspectors, and shop environments, this left hand Go No Go gauge checks tolerance for M40 x 2 threads (6H) so parts mate smoothly on first assembly. Constructed from hardened steel, the gauge delivers dependable performance and stands up to daily use in demanding workshop