JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M30 x 1 ER Collet Chucks Substrate: HSS-E (high-speed steel –

Substrate: HSS-E (high-speed steel – enhanced) for toughness and reliable performance

The straightforward straight shank design ensures compatibility with common collets

while the left-hand flute improves chip control in common drilling setups

delivering consistent surface finish and dimensional accuracy on narrow ribs

helping maintain tool life and hole quality across production runs

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M30 x 1 ER Collet Chucks Substrate: HSS-E (high-speed steel –The JBO Thread Plug Gauge is a precision tool designed for metric fine thread inspection. Built for internal holes with fine threads, it uses a Go No Go design to confirm whether a thread is within the specified tolerance at a glance. The right hand orientation and M30 x 1 size make it a reliable choice for both production lines and workshop setups, helping ensure parts will fit together smoothly. Go No Go design for fast, reliable checks: quickly