Irwin® UNIBIT® 10231 Self-Starting Step Drill Bit, 1/8 in Dia Min Hole, 1/2 in Dia Max Hole, 13 Steps, High Speed Steel, 1 Hole Size, 1/4 in Shank
10231
$37.21
Irwin® UNIBIT® Step Drill Bit, Self-Starting, Imperial, 1/8 in Diameter Minimum Hole, 1/2 in Diameter Maximum Hole, 13 Steps, 1 Hole, 1 Flute, 1/8 to 1/2 in, 1/4 in Shank, Hex Shank, SpeedPoint® Point, High Speed Steel, Applicable Materials: Aluminum/Brass/Copper/Laminates/Plastic/Stainless Steel
Features
- Single flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- New SpeedPoint® tip penetrates faster than previous Unibits and prevents walking
- Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic and laminates
Specifications
| Material | High Speed Steel |
| Type | Self-Starting |
| Shank Size | 1/4 in |
| Applicable Materials | Aluminum/Brass/Copper/Laminates/Plastic/Stainless Steel |
| Drill Diameter Measurement System | Imperial |
| Number of Flutes | 1 |
| Point Type | SpeedPoint® |
| Shank Type | Hex |
| Maximum Hole Diameter | 1/2 in |
| Minimum Hole Diameter | 1/8 in |
