Designed for 12mm tool shanks
4-Flute Geometry for Smooth Cutting: The four cutting edges balance chip removal and stability to minimize vibration
3 mm corner radius maintains detail in mold features while promoting smooth transitions and edge quality in complex cavities
Left-hand spiral flute with right-hand cutting on a straight shank: Designed for efficient chip evacuation and stable reaming
reducing runout and improving alignment
JBO Thread Ring Gauge (GO) - Metric Coarse - Right Hand - 6h - M9 x 1.25 FMH FLH FHH S&E A&NF M&D Designed for 12mm tool shanksThe JBO Thread Ring Gauge (GO) Metric Coarse is a precision go gauge designed to verify external metric coarse threads, specifically M9 x 1. 25, with right hand orientation and 6h tolerance. Built for engineers, quality teams, machinists, and inspectors, it delivers quick, reliable checks that parts meet spec and thread properly. The gauge features a knurled outer edge for a secure grip, enabling fast, one handed inspections in busy workshops. Precise