Straight Flute HSS Step Drill Bit Set (2)
Straight Flute HSS Step Drill Bit Set
Spiral Flute HSS Step Drill Bit Set (2)
Spiral Flute HSS Step Drill Bit Set
5pc-step-drill-bit-set
3pcs step drill bit set
4pcs step drill bit set
Click here to see HSS Step Drill Bits
HSS Step Drill Bit Sets
Features:
- Made of high quality high speed steel
- Producing round, smooth holes in a wide variety of material
- Enlarging holes in sheet metals without center punch or pilot bits
- Using bench drill or light drilling machines
- Available flute shape: straight flute, sprial flute, double spiral flute
- Available surface treatment: White; Titanium Coating; TiALN Coating
- Available shank type: round shank, three flatted shank, hex shank
- Specifications can be customized
- Strong carrying box with easy identifying
| Item | Description |
| 3pc set | 4 - 12mm x 9 steps; 4 - 20mm x 9 steps; 4 - 30mm x 14 steps |
| 3pc set | 4 - 12mm x 5 steps; 4 - 20mm x 9 steps; 4 - 32mm x 15 steps |
| 3pc set | 4 - 12mm x 9 steps; 6 - 20mm x 8 steps; 6 - 30mm x 13 steps |
| 4pc set | 3 - 12mm x 5 steps; 4 - 12mm x 9 steps 4 - 20mm x 9 steps; 4 - 32mm x 15 steps |
| 3pc set | 3/16" - 1/2" x 6 steps; 1/8" - 1/2" x 13 steps; 1/4" - 3/4" x 9 steps |
| 5pc set | 3/16" - 1/2" x 6 steps; 1/8" - 1/2" x 13 steps; 1/4" - 3/4" x 9 steps; 3/16" - 7/8" x 12 steps; 1/4" - 1 3/8" x 10 steps |