JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 9/16 x 12 Hex Key Drill Chuck making it a reliable choice

making it a reliable choice for precision hole finishing at 5

fitted to BS 328/4 specifications and supplied by Toolex Ltd

Left-hand spiral flute with right-hand cutting: Optimizes chip evacuation and delivers a stable cut for smooth

Wide diameter range with tight tolerance: Covers 0

91 mm finished size is a precision finishing tool designed to bring borehole diameters to exact tolerance with a clean

JBO Thread Ring Gauge (GO) - BSW - Right Hand - Medium Class - 9/16 x 12 Hex Key Drill Chuck making it a reliable choiceThe JBO Thread Ring Gauge (GO) BSW Right Hand Medium Class 9 16 x 12 is a GO ring gauge designed to check external threads on fasteners and threaded components. It helps QC teams and machinists quickly verify that a parts thread diameter meets the required standard, reducing guesswork during assembly and inspection. Manufactured from hardened steel for durability, it delivers reliable performance in busy workshops and production lines. The tools