| Product name: | Hex Shank Straight Flute High Speed Steel Step Drill For Metal Stainless Steel Aluminium wood |
| Material: | M35, M2, 4341 |
| Process: | Fully Ground, |
| Flute Type: | straight flute and Sprial flute |
| Shank Type: | 1/4" hex shank |
| Surface Finish: | Bright finish/ TiN Coating/TiAlN Coating |
| Hole size | Stepped by | Steps |
| 4-12 | 1 | 9 |
| 4-12 | 2 | 5 |
| 4-20 | 2 | 9 |
| 4-32 | 2 | 15 |
| 1/4"-3/4" | 1-/16" | 9 |
| 1/8"-1/2" | 1/32" | 13 |
| 3/16"-1/2" | 1/16" | 6 |
| 3/16"-7/8" | 1/16" | 12 |
| 1/4"-1-3/8" | 1/8" | 10 |
Other size can be available accorfing to request.
Pictures:

