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Product Specifications:
| Item | Step Drill Bit Set |
| Decimal Equivalent | 0.125, 0.1563, 0.1875, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.5, 0.5625, 0.625, 0.6875, 0.75 |
| Drill Bit Sizes Included | 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 9/16", 5/8", 11/16", 3/4" |
| Finish | Black Oxide |
| Finish - Machining | Black Oxide |
| Impact Rated | No |
| Length | 2 1/2", 3 3/16", 3 1/4" |
| Material | High Speed Steel |
| Material - Machining | High Speed Steel |
| Maximum Hole Size | 3/4" |
| Measurement System | Fractional Inch |
| Minimum Hole Size | 1/8" |
| Number Of Hole Sizes | 17 |
| Overall Length | 2 1/2", 3 3/16", 3 1/4" |
| Primary Material Application | Aluminum, Brass, Copper, Laminate, Plastic, Steel, Wood |
| Shank Dia. | 3/8" |
| Shank Hex Size | 1/4" |
| Shank Type | Straight With Three Flats |
| Shank Type - Machining | Straight With Three Flats |
| Sub-brand | Unibit |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.15 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
| Country of Origin | US |
Product Variants
| Product | Model | Number Of Hole Sizes | Decimal Equivalent | Maximum Hole Size | Minimum Hole Size | Step Increments | Material | Finish | Shank Dia. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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11105ZR | 13 | 0.1969, 0.2953, 0.3937, 0.5118, 0.6299, 0.748, 0.8268, 0.9055, 1.0236, 1.1417, 1.2205, 1.2992, 1.378 | 35 mm | 5 mm | 2 mm | High Speed Steel | Black Oxide | 3/8" | €171.54 | |
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10311ZR | 1 | 0.875 | 7/8" | 7/8" | 5/32" | High Speed Steel | Black Oxide | 3/8" | €64.09 |
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IRWIN INDUSTRIAL TOOLS 10502ZR Step Drill Bit Set, 17 Hole Sizes, 1/8 Inch to 3/4 Inch, 1/4 Inch Shank Hex Size
€154.05 /unit


