JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M56 x 1.5 End Mill Holders The HSS (M2) composition provides

The HSS (M2) composition provides durable wear resistance for repeated use

high-speed conditions

74 mm – an intermediate precision HSS (M2) reamer designed for accurate hole finishing in metalworking

and easier chip evacuation in mold materials

or finishing intricate components

JBO Thread Ring Gauge (NoGo) - Metric Fine - Right Hand - 6g - M56 x 1.5 End Mill Holders The HSS (M2) composition providesThe JBO Thread Ring Gauge (NoGo) Metric Fine, Right Hand, 6g, M56 x 1. 5 is a precise inspection tool designed to verify external thread diameters quickly and reliably. Ideal for engineers, quality teams, machinists, and maintenance staff, it helps confirm that threaded components meet the exact size and pitch requirements without slower, manual measurements. Crafted from hardened steel for durability, this NoGo gauge is built to withstand daily use