JBO Thread Plug Gauge (NoGo) - BSP (G) - Left Hand - 1 1/4 x 11 FMH this refers to blanks ready

this refers to blanks ready to manufacture the reamer

H4 tolerance: Tight

Carbide-tipped precision (K10): Delivers superior wear resistance and maintains tight hole size across multiple passes for repeatable

It combines a left-hand spiral flute with right-hand cutting to deliver controlled material removal in manual reaming tasks

wear-resistant construction: Hardened steel body with a precise finish gives long life in busy workshops and maintains stable measurements through heavy use

JBO Thread Plug Gauge (NoGo) - BSP (G) - Left Hand - 1 1/4 x 11 FMH this refers to blanks readyThe JBO Thread Plug Gauge (NoGo) for BSP (G) Left Hand threads, size 1 1 4 x 11, is a precision inspection tool designed to verify BSP threaded connections quickly and reliably. Built to help plumbers, engineers, tradespeople, and shop floor technicians confirm correct fitment and sealing, its NoGo design makes non conforming threads easy to spot and prevent faulty assemblies. No Go Verification Design: Quickly indicates non conforming BSP (G)