JBO Thread Plug Gauge (GO) - UNC - Right Hand - 2B - 2 1/2 x 4 Power Milling Chucks it delivers long service life

it delivers long service life and dependable performance across a wide range of boring heads and machines

while being manufactured to order with a standard dispatch window of 24–48 hours for fresh

Left‑hand spiral flute with right‑hand cutting: Promotes controlled chip flow and a predictable bore finish for cleaner holes with fewer burrs

By combining the 4-flute geometry

and a straight shank for dependable performance in demanding metalworking tasks

JBO Thread Plug Gauge (GO) - UNC - Right Hand - 2B - 2 1/2 x 4 Power Milling Chucks it delivers long service lifeThe JBO Thread Plug Gauge (GO) is a precision tool used to verify internal UNC threads in holes, helping manufacturers, automotive suppliers, aerospace shops, and shop floor technicians confirm hole quality. The no go design helps quickly identify non conforming threads, supporting proper fitment and reliable assembly. Sized for a 2 1 2 x 4 profile with a right hand thread and 2B tolerance, this GO gauge enables quick, repeatable GO checks that drive