3pcs Cone Step Drill Bit HSS Metric Titanium Saw Hole Spiral Cutter Hex Shank for Aluminum Copper Brass Wood
Feature:
100% brand new and high quality, practical .
With one cloth bag , making it very convenient to carry and store.
High-speed steel 4241 (suitable for workpiece whose hardness is below 25, such as thin iron plate, insulation board, wood,etc.)
Its surface has been polished by the titanium processing so that will reduce friction and run cooler.
Automatically deburrs holes as you drill.
Superior quality HSS which makes your work more efficient and will reduce your man efforts.
Specification:
Material: HSS4241
Color: as picture shows
Type: 4~20 / 3~12 / 4~12
4~20: 9steps-4mm / 6mm / 8mm / 10mm / 12mm / 14mm / 16mm / 18mm / 20mm
3~10: 10steps-3mm /4mm / 5mm / 6mm / 7mm / 8mm / 9mm / 10mm / 11mm / 12mm
4~12: 5steps-4mm / 6mm / 8mm / 10mm /12mm
Package included:
3pcs x Step drill bit(opp bag packed)






