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

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

which translates to smoother finishes and tighter tolerances

resisting wear to maintain reliability through repeated tool changes

Precision-Engineered Construction: Durable materials and tight tolerances ensure repeatable alignment and long-term reliability in demanding production environments

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