JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 5/16 x 24 Tapping Chucks clean countersinks across steel

clean countersinks across steel

while the left-hand flute helps manage cutting forces for cleaner edges

helping you avoid misfits

it delivers dependable performance with extended tool life

this holder minimizes vibration to maintain accuracy and surface quality

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 5/16 x 24 Tapping Chucks clean countersinks across steelThe JBO Thread Plug Gauge is a UNF Go No Go plug gauge designed for right hand threads, sized 5 16 x 24 with 3B tolerance. It is crafted to quickly verify threaded holes meet Unified thread standards, helping you confirm fitment before assembly or production runs. Designed for a wide range of usersfrom engineers and quality inspectors to machinists, maintenance professionals, and hobbyiststhe gauge delivers dependable, fast check results that reduce