JBO Thread Plug Gauge - UNEF Go-No/Go - Left Hand - 2B - 7/16 x 2 ER Collet Chucks Left-hand spiral flute with right-hand

Left-hand spiral flute with right-hand cutting: Provides efficient chip evacuation and stable cutting action for a clean

86 mm diameter with reliable accuracy

optimized for through-holes and DIN 8093 compliance

A - 1/8 x 28

and improving first-pass assembly results

JBO Thread Plug Gauge - UNEF Go-No/Go - Left Hand - 2B - 7/16 x 2 ER Collet Chucks Left-hand spiral flute with right-handThe JBO Thread Plug Gauge is a precision UNEF go no go tool designed to verify lefthand internal threads. Built for professionals across manufacturing, automotive, and aerospace, it delivers fast, reliable checks to confirm threaded holes meet the UNEF standard and the 7 16 x 2 size with 2B tolerance. Its simple pass fail design makes inspection quick and repeatable, reducing rework and assembly delays. Go No Go quick conformance checks: Quickly