Irwin 1/8" - 1/2" Unibit Fractional Stepdrill
Image may not depict product actual color, inclusions or accessories
Gain six times faster initial penetration than the time before with this fractional step drill. Its single-fluted cutting edge assures true round holes, and allows greater control with less vibration. This tool is ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood, and laminates.
- Cutting Diameter: 1/8 in [Min], 1/2 in [Max].
- Cutting Edge Material: HSS.
- Material Thickness: 1/8 in [Max].
- Measurement Type: Fractional.
- No. of Steps: 13.
- Packing Type: Carded.
- Shank Diameter: 1/4 in.
Similar Drill Bit Products
Irwin 10231 Description
Gain six times faster initial penetration than the time before with this fractional step drill. Its single-fluted cutting edge assures true round holes, and allows greater control with less vibration. This tool is ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood, and laminates.
- Cutting Diameter: 1/8 in [Min], 1/2 in [Max].
- Cutting Edge Material: HSS.
- Material Thickness: 1/8 in [Max].
- Measurement Type: Fractional.
- No. of Steps: 13.
- Packing Type: Carded.
- Shank Diameter: 1/4 in.
Similar Drill Bit Products
Product Specifications
| Part Number | 10231, 585-10231 |
| Weight | 0.18-lb |
| UPC | 038548101019 |
Manufacturer Description
1/8" - 1/2" Unibit Stepdrill
- New SpeedPoint tip provides 6X faster initial penetration time than before and eliminates the need for center punching. Single-fluted cutting edge assures true round holes and allows greater control with less vibration. Ideal for drilling holes in thin m
- Cutting Diam: 1/8 in Min 1/2 in Max
- Packing Type: Carded
- Weight: 0.18 lb
Similar Drill Bit Products
Irwin 10231 Description
Gain six times faster initial penetration than the time before with this fractional step drill. Its single-fluted cutting edge assures true round holes, and allows greater control with less vibration. This tool is ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood, and laminates.
- Cutting Diameter: 1/8 in [Min], 1/2 in [Max].
- Cutting Edge Material: HSS.
- Material Thickness: 1/8 in [Max].
- Measurement Type: Fractional.
- No. of Steps: 13.
- Packing Type: Carded.
- Shank Diameter: 1/4 in.
Product Specifications
| Part Number | 10231, 585-10231 |
| Weight | 0.18-lb |
| UPC | 038548101019 |
Manufacturer Description
1/8" - 1/2" Unibit Stepdrill
- New SpeedPoint tip provides 6X faster initial penetration time than before and eliminates the need for center punching. Single-fluted cutting edge assures true round holes and allows greater control with less vibration. Ideal for drilling holes in thin m
- Cutting Diam: 1/8 in Min 1/2 in Max
- Packing Type: Carded
- Weight: 0.18 lb
Product Questions & Answers
Customer Reviews
Your voice matters. Be the first to leave a review and help other pros shop smarter