JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M9 x 0.5 M&D 1 for clean edges: The

1 for clean edges: The precise corner radius yields repeatable fillets and reduces edge breakout

straight shank and left-hand spiral flute deliver controlled material removal for deep bores in demanding applications

Left‑hand spiral flute with right‑hand cutting on a straight shank: Promotes efficient chip removal

Built for production lines and workshop use

while its compatibility with common steels below 55 HRc and pre-hardened alloys provides versatility across jobs

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M9 x 0.5 M&D 1 for clean edges: TheThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M9 x 0. 5 is a precision inspection tool designed to verify external thread diameters to metric fine standards. It serves engineers, machinists, quality teams, and workshop technicians by providing a quick, reliable check of thread size and pitch for threaded components. Manufactured from hardened steel for outstanding durability, this GO gauge maintains tight dimensional accuracy even in busy