Helix angle: 55° to promote smooth cutting and aggressive chip removal
and the tight tolerance supports high-precision parts with minimal rework
spiral-fluted hole-finishing tool made from M2 high-speed steel
Precision-Engineered Construction: Durable materials and tight tolerances ensure repeatable alignment and long-term reliability in demanding production environments
which translates to smoother finishes and tighter tolerances
JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M13 x 0.75 Milling Cutter Arbors Helix angle: 55° to promoteThe 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