JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M38 x 1 End Mill Holders Neck Design: Long neck for

Neck Design: Long neck for deep groove machining

it provides a rigid

The AcuRea coating and precise tolerance deliver reliable hole finishing and repeatable results

making it a practical choice for mid-range precision work where hole size accuracy and surface quality matter

200 mm gauge length (Form AD/B)

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 4H - M38 x 1 End Mill Holders Neck Design: Long neck forThe JBO Thread Plug Gauge is a Go No Go inspection tool designed to verify metric fine threaded holes. Its ideal for machinists, assembly teams, and maintenance technicians who need fast, confident checks to ensure components fit together precisely. Built for durability, this gauge features a hardened steel construction with a textured knurled body for a secure grip in any workshop environment. Its Go No Go design provides quick, at a glance