JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M12 x 1 NCDC Drill Chuck improving productivity and results in

improving productivity and results in everyday machining tasks

high-quality bore results with a predictable setup

you can tailor the tool to each job

It uses intermediate precision carbide (K10) and a straight shank for compatibility with standard chucks and holders

right-hand cutting: optimized for efficient chip evacuation and stable cutting

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Left Hand - 6H - M12 x 1 NCDC Drill Chuck improving productivity and results inJBO Thread Plug Gauge is a precision Go No Go gauge designed for metric fine threads, crafted to verify internal threads quickly and with confidence. This model is specified for M12 x 1 with a 6H tolerance and is suitable for left hand thread applications, making it a practical choice for engineers, machinists, and quality teams who need fast, reliable hole inspections. Built for real world workshop use, it helps ensure components fit together