JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6h - M1.8 x 0.35 4 Month Widin this HSS (M2) reamer provides

this HSS (M2) reamer provides secure spindle alignment and smooth

It’s built to ISO H4 tolerance and the DIN 8093 standard

With rigid tapping capability

this countersink resists wear and maintains its sharp edge longer under demanding cutting conditions

Whether you’re finishing holes in steel

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Right Hand - 6h - M1.8 x 0.35 4 Month Widin this HSS (M2) reamer providesThe JBO Thread Ring Gauge (NoGo) Metric Coarse Right Hand 6H M1. 8 x 0. 35 is a precision inspection tool designed to verify external threads and ensure consistent measurements for metric coarse fasteners. This NoGo gauge helps quality teams and machinists quickly confirm whether threads meet the 6H tolerance, delivering reliable fit and performance across components and assemblies. Accurate NoGo verification for Metric Coarse threads: Precisely