JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M13 x 0.75 Milling Cutter Arbors 15mm is a high-precision finishing

15mm is a high-precision finishing tool designed for through-hole work

and the tight tolerance supports high-precision parts with minimal rework

delivering reliable performance on a range of materials and setups

spiral-fluted hole-finishing tool made from M2 high-speed steel

and consistent results across a variety of projects

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M13 x 0.75 Milling Cutter Arbors 15mm is a high-precision finishingThe JBO Thread Ring Gauge (NoGo) Metric Fine, Left Hand, 6g, M13 x 0. 75 is a precision tool used to verify external thread diameters against metric standards. Designed for engineers, machinists, inspectors, and hobbyists, it provides quick, reliable go no go checks to confirm thread conformity on left hand metric parts. Clear NoGo verification for metric fine LH threads: Quickly determine if a threaded part exceeds the maximum diameter, helping