JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M1.6 x 0.35 Face Mill Arbors delivering controlled reaming performance to

delivering controlled reaming performance to tight ISO tolerances

Material: High-speed steel with cobalt (HSS-E) for enhanced hardness and heat resistance during demanding cuts

it promotes efficient chip evacuation

or performing detailed contouring and finishing tasks

Crafted from premium carbide and enhanced with a durable W coating

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Left Hand - 6H - M1.6 x 0.35 Face Mill Arbors delivering controlled reaming performance toThe JBO Thread Plug Gauge is a precision tool designed to verify metric coarse thread holes with confidence. Its ideal for machinists, quality inspectors, engineers, and hobbyists who need quick, reliable confirmation that a hole will accept a mating M1. 6 x 0. 35 coarse thread component. Built for left hand applications, this gauge combines accuracy with practicality to keep your production or workshop workflow moving smoothly. Go No Go design for