IRWIN Unibit Self-Starting Step Drills
Features:
- Multiple Hole Sizes UNIBIT Step Drills have an exclusive single radial concave flute.
- Allows the drilling of perfectly round holes in thin materials quickly and with less effort.
- Each bit is constructed of industrial grade high speed molybdenum steel, and is heat treated to a hardness of between 61 and 63 on the Rockwell "C" scale. This assures maximum strength and long life.
- Use for steel, copper, brass, aluminum and other thin materials.
- Also ideal for drilling through wood, composition board, and even plexiglass and plastics which often crack with standard twist drills.
- Handle thicker materials by drilling from both sides of work surface.
- Use for reaming, deburring and cutting through soft wood or plasterboard.
For more info, visit www.p65warnings.ca.gov.
| Item Number | Description | Model | Material | Hole Sizes | Size Range | Step Length | Step Increments | Shank Dia. | Price | Quantity |
|---|---|---|---|---|---|---|---|---|---|---|
| 54-321-5 | Step Drill | 10231 | HSS | 13 | 1/8 - 1/2" | 1/8" | 1/32" | - | $ 42.95 | |
| 54-324-9 | Step Drill | 10232 | Cobalt | 6 | 3/16 - 1/2" | 3/8" | 1/16" | - | $ 44.95 | |
| 54-323-1 | Step Drill | 10233 | HSS | 9 | 1/4 - 3/4" | 1/8" | 1/16" | - | $ 64.95 | |
| 54-322-3 | Step Drill | 10234 | HSS | 12 | 3/16 - 7/8" | 1/8" | 1/16" | - | $ 84.95 | |
| 54-325-6 | Step Drill | 10235 | HSS | 10 | 1/4 - 1-3/8" | 1/8" | 1/8" | - | $ 149.95 | |
| 54-326-4 | Step Drill | 15101ZR | TiN Coated | 13 | 1/8 - 1/2" | 1/8" | 1/32" | - | $ 59.95 | |
| 54-330-6 | Step Drill | 15102ZR | TiN Coated | 6 | 3/16 - 1/2" | 3/8" | 1/16" | - | $ 59.95 | |
| 54-329-8 | Step Drill | 15103ZR | TiN Coated | 9 | 1/4 - 3/4" | 1/8" | 1/16" | - | $ 99.95 | |
| 54-327-2 | Step Drill | 15104 | TiN Coated | 12 | 3/16 - 7/8" | 1/8" | 1/16" | - | $ 129.95 |
