JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M13 x 0.75 Milling Cutter Arbors combining a stub form with

combining a stub form with cobalt-enhanced HSS-E for improved wear resistance

high-precision toolholding for CNC milling and drilling

Helix angle: 55° to promote smooth cutting and aggressive chip removal

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

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 combining a stub form withThe 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