Precise Self Starting Step Drills, Tin Coated
- Made of high speed steel, heat treated and tempered for maximum strength.
- Requires no center punch to start drilling.
- Automatically deburrs drilled holes.
Specifications:
| Model No. | Hole Range | Steps | Depth | Shank |
| 500-500-1 | 1/8"-1/2" by 32nds | 13" | 1/8" | 1/4" |
| 500-501-1 | 3/16"-1/2" by 16ths | 6" | 3/8" | 1/4" |
| 500-750 | 1/4"-3/4" by 16ths | 9" | 1/8" | 3/8" |
| 500-875 | 3/16"-7/8" by 16ths | 12" | 1/8" | 3/8" |
| 500-876 | 1/4"-1-3/8" by 1/8ths | 10" | 1/8" | 1/2" |
