- Some stock photographs may show options that are not included. Please check product description.
IRWIN
1/8 - 1/2-Inch #1 High Speed Steel Step Drill Bit
- Mfg.#
- 10231
- Sku#
- 7925027
- 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
* Estimated stock levels as of Sat, Mar 7, 2026. All items subject to prior sale. Prices may vary between stores and online. Please call ahead to confirm availability of items marked as Limited Stock.
Description
HSS-HEX SHANK SELF-STARTING 1/4" SHANK Hole Size In=1/8-1/2 # of Hole Steps=13
Specifications
General
| Maximum Material Thickiness | 1/8 in |
|---|---|
| Number of Holes | 13 steps |
| Shank Type | Hex |
| Type | Step Drill Bit |
Dimensions
| Diameter | 1/8 in to 1/2 in |
|---|
Manufacturing Details
The following information is subject to change without notice
| Country of Origin | US |
|---|---|
| Prop 65 Warning |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
|
| Shop USA | Yes |
Item added to your cart!
