Step Drills
SHOWIRK
Step drill bit is a drill bit that has the tip ground down to a different diameter.The transition between this ground diameter and the original diameter is either straight, to form a counter bore, or angled, to form a countersink.
4-20mm have 9 different sizes:4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm
to match users' different requirements.
Step drill bit is a drill bit that has the tip ground down to a different diameter.The transition between this ground diameter and the original diameter is either straight, to form a counter bore, or angled, to form a countersink.
4-20mm have 9 different sizes:4mm 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm
to match users' different requirements.
