Project Description
HSS Step Drill Bit


- spiral flute and straight flute designs
- performs smooth drilling in several diameters with one drill bit
- suitable for drilling in sheet metal, plastic, etc
| Size (mm) | Step | Length (mm) |
| 4-12 | 5 | 65 |
| 4-12 | 9 | 65 |
| 4-20 | 9 | 75 |
| 4-22 | 10 | 80 |
| 4-30 | 14 | 100 |
| 4-32 | 15 | 105 |
| 4-39 | 14 | 107 |
| 5-28 | 7 | 69 |
| 5-28.3 | 10 | 72 |
| 5-35 | 13 | 100 |
| 5-38 | 14 | 95 |
| 6-18 | 7 | 67 |
| 6-20 | 8 | 71 |
| 6-24 | 10 | 80 |
| 6-25 | 7 | 65 |
| 6-30 | 13 | 98 |
| 6-30.5 | 10 | 100 |
| Size (mm) | Step | Length (mm) |
| 6-32 | 8 | 75 |
| 6-32 | 9 | 76 |
| 6-37 | 12 | 100 |
| 6-38 | 12 | 100 |
| 6-40 | 16 | 105 |
| 7-40.5 | 7 | 110 |
| 9-36 | 10 | 86 |
| 10-20 | 11 | 86 |
| 12-20 | 9 | 76 |
| 13-38 | 10 | 112 |
| 14-24 | 6 | 67 |
| 14-25 | 7 | 71 |
| 20-30 | 11 | 88 |
| 20-34 | 8 | 75 |
| 30-40 | 11 | 98 |
| 40-50 | 11 | 107 |
| 50-60 | 11 | 120 |