JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M22 x 1 NCDC Drill Chuck and achieve repeatable results—even in

and achieve repeatable results—even in high-pressure coolant applications

making it suitable for production or precision repair work where a precise 18

this tool is manufactured to order to ensure exact specifications

Left-hand spiral flute with through coolant: Left-hand spiral flute paired with right-hand cutting and through coolant enables efficient chip removal and stable cutting for through-holes

reducing rework and delivering dependable

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M22 x 1 NCDC Drill Chuck and achieve repeatable results—even inThe JBO Thread Plug Gauge is a precision inspection tool designed for metric fine threads. This left hand Go No Go gauge targets M22 x 1 holes, enabling quick, confident checks to verify hole tolerances in the 6H class. Built from hardened steel, it stands up to daily workshop use, delivering long life and consistent performance even in busy production environments. Go No Go quick checks: Quickly confirm if the hole is within tolerance with a simple