JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M60 x 1.5 Power Milling Chucks a straight-shank tool designed for

a straight-shank tool designed for accurate hand reaming

With a ball-nose profile and two flutes

5 mm corner radius strengthens corners in mold cavities

The tapered effective length enhances rigidity

Tolerance: ISO H5 for precise hole size control

JBO Thread Ring Gauge (NoGo) - Metric Fine - Left Hand - 6g - M60 x 1.5 Power Milling Chucks a straight-shank tool designed forThe JBO Thread Ring Gauge (NoGo) Metric Fine Left Hand 6g M60 x 1. 5 is a precision inspection tool for verifying external thread diameters on fasteners and threaded components. It is ideal for quality control teams, machinists, engineers, and assembly specialists who need fast, reliable checks to confirm parts meet metric fine thread specifications and to quickly flag non conforming components. Hardened steel construction: Built from hardened steel