IRWIN Unibit #1 HSS Step Drill Bit for Wood, Metal, Plastic
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Product Details
The IRWIN® UNIBIT® HSS Fractional Self-Starting Step Drill Bit is made of high speed steel. Hole sizes are permanently laser-etched on the inside of the flute and will not wear away for easy identification throughout the life of the bit. The bit features a quick change hex shank that secures easily in the drill chuck.
Irwin Unibit #1 Step Drill Bit allows you to drill up to 13 different hole sizes with the same bit, from 1/8” to 1/2" (3.2 - 12.7 mm)
Eliminates the need to change drills when drilling round holes in thin materials
Each smaller size drill acts as a pilot for the next size
Made from industrial grade high speed molybdenum steel and is heat treated to assure maximum durability
Patented single-flute cutting edge assure true round holes and gives greater control through steps
Hex shank prevents slipping in drill chuck
SpeedPoint tip penetrates faster and prevents walking
Laser-engraved measurements with increments of 1/32" (0.8 mm)
Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastic, and laminates
Includes 13 steps: 1/8" (3.2 mm), 5/32" (4 mm), 3/16" (4.8 mm), 7/32" (5.6 mm), 1/4" (6.4 mm), 9/32" (7.1 mm), 5/16" (8 mm), 11/32" (8.7 mm), 3/8" (9.5 mm), 13/32" (10.3 mm), 7/16" (11.1 mm), 15/32" (11.9 mm) and 1/2" (12.7 mm)
| Part Number | 10231 |
|---|---|
| Drill/Driver Bit Type | Step Drill Bits |
| Primary Material | High-Speed Steel |
| Coating | Black Oxide |
| Number of Pieces | 1 |
| Shank Type | Hex |
| Product Use(s) | Steel, Plastic, Wood |
| Accessories List | No Accessories Included |
| Advanced Features | No Advanced Features |
| Assembled Weight (lb) | 0.22 lb |
| Assembled Height (in) | 1.20 in |
|---|---|
| Assembled Length (in) | 6.20 in |
| Assembled Width (in) | 3.00 in |
| Bit Diameter (Size) | 1/8"-1/2" |
| Shank Size (in) | 0.38 in |
- This product carries a special warranty. Please see your local Canadian Tire store for details.
- Pick Up is free at most stores (some stores require a minimum order value before tax)
- Shipping fee is based on size and weight of products and distance from address to store
- Same-Day Delivery costs $9.99 per order
- Online Ordering Information
- Most products can be returned or exchanged at any Canadian Tire store within 90 days of purchase
- Some products are non-refundable and non-exchangeable
- The return policy outlined above may not apply to the product you are currently viewing. For complete details and eligibility, please refer to our Return Policy for exceptions.
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| Ratings | ||||||
| Drill/Driver Bit Type | Step Drill Bits | Step Drill Bits | Step Drill Bits | Twist Drill Bits | Step Drill Bits | |
| Primary Material | High-Speed Steel | High-Speed Steel | High-Speed Steel | High-Speed Steel | Cobalt Steel | |
| Coating | Black Oxide | Black Oxide | Black Oxide | Black Oxide | No Coating |
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