JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M21 x 1 Tapping Chucks and workshop buyers

and workshop buyers

and smoother production runs—whether you’re in a shop

Right-hand orientation with 6H tolerance: Specifically configured for right-hand threads and standard 6H tolerance

while the left-hand flute aids chip evacuation for smoother cutting and reduced workpiece rework

and other precision machining tasks

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M21 x 1 Tapping Chucks and workshop buyersThe JBO Thread Plug Gauge is a metric fine Go No Go gauge designed to verify internal threads with precision. Its built for machinists, inspectors, and assembly teams working with M21 x 1 right hand threads (6G) to quickly validate hole acceptance, even in high volume productions. The hardened steel construction delivers durable, long lasting performance in tough shop environments. Go No Go precision for metric fine threads: Quickly determine if a