JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 4H - M2.2 x 0.45 ER Collet Chucks Material: HSS-E with 8% cobalt

Material: HSS-E with 8% cobalt for enhanced heat resistance and wear resistance

It supports efficient chip evacuation and consistent results across aluminum

The Toolex reamer is designed to minimize chip buildup and heat

Taper shank for secure mounting: A standard taper shank fits compatible holders

JBO Thread Plug Gauge - Metric Coarse Go/No-Go - Right Hand - 4H - M2.2 x 0.45 ER Collet Chucks Material: HSS-E with 8% cobaltThe JBO Thread Plug Gauge is a precision inspection tool designed for metric coarse threads. Its ideal for engineers, machinists, buyers, and maintenance teams who need fast, reliable checks to confirm threaded holes will accept the right components before assembly. With a straightforward Go No Go design, this gauge makes it easy to verify hole size and tolerance at a glance, helping you reduce guesswork, prevent misfits, and speed up quality checks