3Pcs Step Drill Bit SetRegular price $39.99
- 3Pcs HSS Step Drill Bit Set replaces 28 separate drill bits, according to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole.
- Suitable for use in the hardness below 25 degrees workpiece. such as iron plate, copper plate, aluminum plate with thickness of 3mm; and wood, PVC sheet, insulation boards with a thickness of 5mm(0.2 inch) or less.
- Two-fluted design for fast, smooth cutting. High Step design let you feel the stop and never drill bigger in mistake.
- 1mm thickness can be operated by hand drill, 2~3mm please use bench drill.
- Recommend drilling rate of 250-400 RPM.
- Can not be used to hard and brittle materials such as stainless steel, glass, tile floors, walls etc.
- The drill must continue to cool down when it is working! Inject cold water while working, can effectively extend the service life of the drill bit.
|Item name||3Pcs Step Drill Bit Set|
|Material||High Speed Steel with Titanium Coating|
|Shank Type||1/4" Hex|
|Package Weight||8.11 ounces|
|Package Includes||3 x Step Hole Cutter
1 x Nylon canvas bag
|Package Dimensions||4.7 x 3.5 x 1.57 inches|
Bit #1 (5 steps): 4-12mm (4mm, 6mm, 8mm, 10mm, 12mm);
Bit #2 (9 steps): 4-20mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm);
Bit #3 (15 steps): 4-32mm (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm,30mm,32mm)