9x HANSON-WHITNEY M6x1 2SP HS MetricD-5 72257 9171PL Ground Precision Taps [GB4]
Tap Size & Thread Pitch. Thread Size & Pitch M6 Ć 1.0. High-precision ground threads ā tight tolerances (D-5), superb thread fit. Tolerance Class Dā5 (tight precision). Precision-ground threads inHigh Speed Steel (HSS) for durability.