JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 5/16 x 24 Tapping Chucks helping to extend tool life

helping to extend tool life and maintain tight tolerances across multiple passes

this holder ensures optimal alignment and smooth

clean countersinks across steel

making it a dependable choice for both high-precision manufacturing and shop-floor production

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

JBO Thread Plug Gauge - UNF Go-No/Go - Right Hand - 3B - 5/16 x 24 Tapping Chucks helping to extend tool lifeThe 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