JBO Thread Plug Gauge (Go/NoGo) - NPT - Right Hand - 1 1/4 x 11.5 Boring Bar Blank while the combination of left-hand

while the combination of left-hand flute geometry and right-hand cutting provides efficient chip evacuation and stable cutting action

The left-hand spiral flute with right-hand cutting delivers controlled cutting and smooth chip evacuation

Material: HSS (M2) for robust wear resistance

and backed by Toolex manufacturing standards

definitive pass/fail checks for compliant parts

JBO Thread Plug Gauge (Go/NoGo) - NPT - Right Hand - 1 1/4 x 11.5 Boring Bar Blank while the combination of left-handThe JBO Thread Plug Gauge (Go NoGo) is a precision inspection tool designed to verify NPT pipe threads quickly and accurately. Ideal for plumbers, oil & gas technicians, manufacturers, and maintenance teams, it helps ensure fittings seal properly by confirming threads meet spec before assembly. Go No Go evaluation: Enables fast, clear pass fail checks on each thread, reducing guesswork and inspection time while preventing misfit fittings and leaks.