Combination drill-tap with a 30° spiral flute, for ISO-Metric thread M3 with 0.50 mm pitch and 6H class of fit, dimensions according to DORMER-ISO standard with 3.15mm shank and 2.5mm square drive, HSS with steam tempered surface finish and 30° helix angle for 1.5xD through hole threading in free machining steel
Specifcations:
- Thread diameter size (TDZ): 3
- Thread pitch - millimeter (TP): 0.5mm
- Thread diameter - millimeter (TD): 2.5mm
- Overall length - millimeter (OAL): 56mm
- Threading length - millimeter (THL): 10mm
- Drill Part Length - millimeter (LDP): 6mm
- Connection diameter - millimeter (DCON MS): 3.15mm
- Clamping width - millimeter (WSC): 2.5mm
- Clamping Length - millimeter (LSC): 5mm
- Flute count (NOF): 2