JBO Thread Plug Gauge (GO) - BSP (G) - Left Hand - 2 1/4 x 11 ER Mini Collet Chucks Flute count: 3 flutes

Flute count: 3 flutes

5 is a precision ring gauge used to verify external thread diameters against the NoGo limit

12 mm shank for broad compatibility: fits most boring heads and machines

73 mm and manufactured to ISO H5 tolerance under DIN 206-B

providing long-lasting performance and stable accuracy over many uses

JBO Thread Plug Gauge (GO) - BSP (G) - Left Hand - 2 1/4 x 11 ER Mini Collet Chucks Flute count: 3 flutesThe JBO Thread Plug Gauge (GO) for BSP (G) left hand threads is a precision go gauge designed to quickly verify BSP G threaded pipe fittings meet standard tolerances. Sized at 2 1 4 x 11, it helps ensure proper engagement and sealing in plumbing, fluid handling, and engineering applications. Ideal for plumbers, engineers, inspectors, and field technicians, this gauge supports reliable quality checks in both manufacturing and on site installations,