JBO Thread Plug Gauge - UNF Go-No/Go - Left Hand - 2B - 1 1/2 x 12 FHH Flute Type: Straight flute for

Flute Type: Straight flute for rigidity and reduced corner damage

This collet helps you achieve higher‑quality parts

featuring a left-hand spiral flute and right-hand cutting for smooth

It features a left-hand spiral flute and right-hand cutting in DIN 8089 form for consistent bore sizes and reliable performance across metalworking tasks

high-quality results across aluminium

JBO Thread Plug Gauge - UNF Go-No/Go - Left Hand - 2B - 1 1/2 x 12 FHH Flute Type: Straight flute forJBO Thread Plug Gauge is a precision testing tool designed to quickly verify UNF threads in holes and inserts. Specifically configured for left hand threads in a 1 1 2 x 12 size with 2B tolerance, this go no go plug gauge helps inspectors, machinists, and quality teams confirm that threaded holes meet the required Unified thread standards. Its compact, hand held form makes it a reliable companion on shop floors, assembly lines, and maintenance benches