JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M8 x 1.25 ER Mini Collet Chucks and general metal fabrication projects

and general metal fabrication projects

with kerf accuracy typically within +/-

5 precision concentricity: Ensures tight runout control for consistent

and consistent hole quality

and manufacturing environments that demand dependable accuracy and versatile mounting options

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M8 x 1.25 ER Mini Collet Chucks and general metal fabrication projectsThe JBO Thread Plug Gauge is a precision go no go gauge designed for metric coarse threads. This left hand variant is calibrated for M8 x 1. 25 holes, making it ideal for inspection workflows that demand quick, reliable checks of thread fit and hole size. With a simple pass fail test, you can confirm whether a threaded hole accepts a mating part without over or under tapping. Built for daily shop use, the gauge is machined from hardened steel to