JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M45 x 1.5 Shrink Fit Holders and thoughtful flute geometry supports

and thoughtful flute geometry supports faster workflow

it’s built for consistency and rigid alignment in everyday metalworking

Its cobalt-infused HSS formulation stands up to heat and wear

This reamer minimizes secondary finishing steps by delivering clean

right-hand cutting: delivers durable wear resistance and stable cutting with efficient chip removal

JBO Thread Ring Gauge (GO) - Metric Fine - Left Hand - 6g - M45 x 1.5 Shrink Fit Holders and thoughtful flute geometry supportsThe JBO Thread Ring Gauge (GO) Metric Fine Left Hand 6g M45 x 1. 5 is a precision instrument designed to verify external thread diameters against metric fine standards. It's ideal for engineers, machinists, quality inspectors, and workshop technicians who require quick, reliable go no go checks for LH threaded components, ensuring parts meet the M45 x 1. 5 specification without guesswork. Manufactured from hardened steel, this gauge delivers