JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M6 x 0.5 Die & Mould Collet Chucks Ideal for finishing pre-drilled holes

Ideal for finishing pre-drilled holes in a range of metals

Compared with high-speed steel (HSS)

The left-hand spiral flute with right-hand cutting yields steady cutting action and a clean bore

while the ISO H5 tolerance keeps hole diameters consistent across production runs

JBO Thread Ring Gauge (GO) - Metric Fine - Right Hand - 6h - M6 x 0.5 Die & Mould Collet Chucks Ideal for finishing pre-drilled holesThe JBO Thread Ring Gauge (GO) Metric Fine Right Hand 6h M6 x 0. 5 is a precision tool designed to verify external thread diameters with reliability. Built for engineers, machinists, and quality professionals, it provides a clear GO check to confirm parts meet the M6 x 0. 5 fine thread standard and the 6h tolerance. Fast GO verification for M6 x 0. 5 threads: Quickly determine whether a parts external thread meets the exact M6 x 0. 5 fine pitch and 6h