JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M21 x 1 Tapping Chucks and the family offers a

and the family offers a wide range of corner radii to suit your specific part geometry

and workshop buyers

and other precision machining tasks

stable cutting performance and long tool life

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

JBO Thread Plug Gauge - Metric Fine Go/No-Go - Right Hand - 6G - M21 x 1 Tapping Chucks and the family offers aThe 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