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Irwin Step Drill Bit, High Speed Steel, Black Oxide, 6 mm to 18 mm Size Range 11103cb
48
Step Drill Bit
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Features
- The shanks on these step drill bits have three flats that help prevent the bits from slipping in the drill chuck during drilling.
- These cone-shaped bits have steps of increasing diameter marked along their cutting head.
- As each bit is pushed into a piece of sheet metal or other thin material, each step on the bit widens the hole.
- The bits also have a self-starting split point that prevents the bits from moving, or walking, when starting to drill, which eliminates the need for using a center drill to create a starter hole before drilling.
| Number Hole Sizes | 7 |
|---|---|
| Minimum Hole Size | 6 mm |
| Maximum Hole Size | 18 mm |
| Material - Machining | High Speed Steel |
| Drill Bit Sizes Included | 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm |
| Decimal Equivalent | 0.2362, 0.315, 0.3937, 0.4724, 0.5512, 0.6299, 0.7087 |
| Measurement System | Metric |
| Step Increments | 2 mm |
| Shank Type - Machining | Straight with Three Flats |
| Shank Diameter | 3/8 in |
| Overall Length | 2 1/2 in |
| Maximum Drilling Depth | 3.5 mm |
| Finish - Machining | Black Oxide |
| Impact Rated | No |
| Primary Material Application | Aluminum, Brass, Copper, Laminate, Plastic, Steel, Wood |
| Series | UNIBIT |
| Sub Brand | Unibit |
| Weight | 0.04 KG |
| ID | 1261092 |
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