83mm is a high-precision hole-finishing tool designed to finish holes to exact size
The shrink-fit design uses heat expansion to firmly grip the tool shank
accurate finishes and fewer post-process adjustments
The 20 mm nominal diameter features a left-hand spiral flute and right-hand cutting
it delivers repeatable hole quality across a range of materials
JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M140 x 2 S&E 83mm is a high-precision hole-finishingThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6g, M140 x 2 is a precision tool designed to verify external thread diameters quickly and reliably. Built for engineers, inspectors, machinists, and maintenance teams, it helps you confirm whether a threaded component meets size limits with clear, decisive results. Crafted from hardened steel, this gauge delivers exceptional durability and wear resistance for daily use in demanding shop