HSS step drill bits

HSS double flute step dril bits

The ground step drill bitsguarantee quiet running and high cuttting performance

Double flutes eliminate chatter and vibration when cutting through workpiece

Resharpenable cutting edge provides longer tool life

Step drill bits dimension, Special sizes available on request
Size Overall length Steps Shank Dia
4mm-12mm 65mm 9 6mm
4mm-20mm 75mm 9 8mm
4mm-30mm 100mm 14 10mm
4mm-32mm 104mm 15 10mm
4mm-39mm 107mm 13 10mm
5mm-35mm 78mm 13 13mm
6mm-37mm 100mm 12 12mm
6mm-38mm 100mm 12 12mm