JBO Thread Ring Gauge (GO) - BSP (G) - Left Hand - Tol. A - 1/8 x 28 Hex Key Drill Chuck Toolex Reamer with a straight

Toolex Reamer with a straight shank and spiral flute delivers precise hole enlargement and finishing for professionals who demand consistent results

The JBO Thread Ring Gauge (NoGo) – Metric Fine – Right Hand – 6g – M58 x 1

This Right Hand gauge covers M55 x 2 with a 6h tolerance

Cutting performance: Geometry engineered to lower cutting forces

JBO Thread Ring Gauge (GO) - BSP (G) - Left Hand - Tol. A - 1/8 x 28 Hex Key Drill Chuck Toolex Reamer with a straightThe JBO Thread Ring Gauge (GO) for BSP (G) left hand threads is a precision inspection tool designed to verify external thread diameters on fittings, pipework, and fluid handling components. Sized for 1 8 x 28 with Tol. A, this GO gauge is ideal for engineers, plumbers, manufacturers, and quality inspectors who need quick, reliable conformance checks against BSP G standards. With a dedicated GO face and a robust, knurled body, this gauge lets you