JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M115 x 2 A&NF 67 mm carbide reamer enables

67 mm carbide reamer enables repeatable finishes in tight-tolerance holes

It’s built for systems that demand reliable ISO H4 tolerance and a cobalt-enriched high-speed steel core

maintaining sharpness and accuracy over time

while the left-hand flute aids chip evacuation during finishing cuts

and reduces the need for frequent tool changes for higher productivity

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M115 x 2 A&NF 67 mm carbide reamer enablesThe JBO Thread Ring Gauge (NoGo) is a precision tool designed to verify external metric threads on fasteners, shafts, and fitted components. Ideal for engineers, quality inspectors, machinists, and workshop crews, it helps confirm that threads meet exact standards without guesswork. Crafted from hardened steel for lasting performance, this NoGo gauge is built to endure daily use in demanding environments. Its precise dimensions and metric fine