JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M42 x 2 S&E stub-length carbide reamer: Provides repeatable

stub-length carbide reamer: Provides repeatable hole sizes and quick setup on CNC or manual machines

with the convenience of a straight shank and coolant through the body

making it a trusted choice for demanding machining tasks

even when working in tight corners

The cobalt-infused HSS end mill stands up to heat and wear

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6h - M42 x 2 S&E stub-length carbide reamer: Provides repeatableThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6h, M42 x 2 is a precision inspection tool designed to verify external thread diameters on fasteners, shafts, and threaded components. Its ideal for engineers, machinists, quality inspectors, and hobbyists who need quick, reliable checks to confirm parts meet exact M42 x 2 specifications and tolerance. Manufactured from hardened steel for lasting durability, this NoGo gauge resists wear in