JBO Thread Ring Gauge (NoGo) - Metric Coarse - Left Hand - 6e - M6 x 1 Hex Key Drill Chuck Whether you’re working with CNC

Whether you’re working with CNC mills

This reamer is built to deliver consistent

ISO H4 tolerance: Precise sizing and concentricity are maintained to tight standards

a specialized flute design

and ISO H5 tolerance ensures reliable performance in both manual and CNC setups

JBO Thread Ring Gauge (NoGo) - Metric Coarse - Left Hand - 6e - M6 x 1 Hex Key Drill Chuck Whether you’re working with CNCThe JBO Thread Ring Gauge (NoGo) in Metric Coarse, Left Hand, 6e for M6 x 1 is a precision inspection tool designed to quickly verify external thread diameters on metric coarse threads. It helps quality teams, engineers, machinists, and inspectors confirm parts meet specified standards with reliable, repeatable results. Precision metric coarse sizing for M6 x 1 lefthand threads: Calibrated specifically for M6 x 1 lefthand coarse threads (6e) to enable