Description
Irwin Unibit 1023 is a step drill bit. Cutting diameter (max) 1-3/8 in, 3/4 in, 1/2 in, 7/8 in; cutting diameter (min) 1/4 in, 1/8 in, 3/16 in; cutting edge material HSS. Irwin Unibit lists Hex shank prevents slipping in drill chuck; Also available with (TiN) coating for longer life. Available in 5 versions.
Irwin Unibit 1023 specifications
| Item | Irwin Unibit data |
|---|---|
| Part number | 1023 (size and colour versions: 10235, 10233, 10231, 10232, 10234) |
| Cutting Diameter (max) | 1-3/8 in; 3/4 in; 1/2 in; 7/8 in |
| Cutting Diameter (min) | 1/4 in; 1/8 in; 3/16 in |
| Cutting Edge Material | HSS |
| Material Thickness (max) | 1/8 in; 3/8 in; 1/16 in |
| Measurement Type | Fractional |
| No. of Steps | 10; 9; 13; 6; 12 |
| Shank Diameter | 7/16 in; 3/8 in; 1/4 in |
| Width | 3 in; 1 in; 3.1 in; 3.05 in |
| Height | 1.35 in; 3.2 in; .75 in; .8 in; 1 in |
Source: Irwin Unibit published product data.
Irwin Unibit step drill bits are high speed steel with a single-flute cutting edge and hex shank, used for drilling stainless steel, copper, brass, aluminum, plastic and laminates. Fractional sizes run from 1/8 in up to 1-3/8 in across models with 6 to 13 steps.
- Single-flute cutting edge for greater control through steps
- Hex shank prevents slipping in drill chuck
- Also available with (TiN) coating for longer life
- 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
Available in 5 versions. Choose one from the list to see the exact item number and price.
Item Numbers
Variant item numbers:
10235 – 1/4 in to 1-3/8 in · 10 Steps
10233 – 1/4 in to 3/4 in · 9 Steps
10231 – 1/8 in to 1/2 in · 13 Steps
10232 – 3/16 in to 1/2 in · 6 Steps
10234 – 3/16 in to 7/8 in · 12 Steps
