JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M36 x 4 Morse Taper Adaptor and improve overall machining efficiency

and improve overall machining efficiency

giving you confidence from setup to finished part

Helix angle: 30° to promote efficient chip control and a clean surface finish

precise rib cuts even in tight profiles

The cobalt-enhanced HSS composition provides durability and heat resistance during finishing passes

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M36 x 4 Morse Taper Adaptor and improve overall machining efficiencyThe JBO Thread Plug Gauge is a precision inspection tool for metric coarse threads. This left hand Go No Go gauge is calibrated for M36 x 4 holes, allowing fast, consistent verification of thread fit during assembly, machining checks, and quality control. Made from hardened steel, it is built to endure daily use in demanding shop environments, resisting wear that could affect accuracy. The compact, knurled body provides a secure grip for quick