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23 mm nominal
and precision repair work
ISO H4 tolerance: Precise sizing and concentricity are maintained to tight standards
a specialized flute design
JBO Thread Ring Gauge (NoGo) - Metric Coarse - Left Hand - 6e - M6 x 1 Hex Key Drill Chuck 23 mm nominalThe 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
