Feature:
1. SPECIAL STEP DESIGN: With step design, this drill bit allows for quick and accurate hole drilling within the Diameter from 6mm to 30mm.
2. EFFICIENT DRILLING: Nitride coating will reduce friction and lower operating temperature, while water cooling will extend the service life.
3. NO NEED FOR GUIDE HOLE: The split tip will not only improve the work efficiency, but also enables automatic deburring, very convenient.
4. FLEXIBLE APPLICATION: Widely used in drilling holes on thin steel plate, wood, thin iron, aluminium alloy, PVC and many other materials.
5. HIGH SPEED STEEL: High speed steel material with high harness is has excellent durability, and the advisory speed is 250rpm to 400rpm.
Specification:
Item Type: Step Drill Bit
Material: 4241 High Speed Steel
Drill Bit Specification: Approx. 6 ~ 30mm 0.2 ~ 1.2in (6mm 0.2in, 8mm 0.3in, 10mm 0.4in, 12mm 0.5in, 14mm 0.6in, 16mm 0.6in, 18mm 0.7in, 20mm 0.8in, 22mm 0.9in, 24mm 0.9in, 26mm 1in, 28mm 1.1in, 30mm 1.2in)
Drill Bit Total Length: Approx. 10cm 3.9in (Error +2percent ).
Package List:
1 x Step Drill Bit1 x Storage Box (Random Colour)SPECIAL STEP DESIGN: With step design, this drill bit allows for quick and accurate hole drilling within the Diameter from 6mm to 30mm.
EFFICIENT DRILLING: Nitride coating will reduce friction and lower operating temperature, while water cooling will extend the service life.
NO NEED FOR GUIDE HOLE: The split tip will not only improve the work efficiency, but also enables automatic deburring, very convenient.
FLEXIBLE APPLICATION: Widely used in drilling holes on thin steel plate, wood, thin iron, aluminium alloy, PVC and many other materials.
HIGH SPEED STEEL: High speed steel material with high harness is has excellent durability, and the advisory speed is 250rpm to 400rpm.
