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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 |
| Drill Bit Sizes Included | 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" |
| Finish | Black Oxide |
| Finish - Machining | Black Oxide |
| Impact Rated | No |
| Length | 1.062" |
| Material | High Speed Steel |
| Material - Machining | High Speed Steel |
| Maximum Hole Size | 7/8" |
| Measurement System | Fractional Inch |
| Minimum Hole Size | 3/16" |
| Number Of Hole Sizes | 12 |
| Overall Length | 1 1/16" |
| Primary Material Application | Plastic, Steel |
| Shank Dia. | 3/8" |
| Shank Hex Size | 1/4" |
| Shank Type | Straight With Three Flats |
| Shank Type - Machining | Straight With Three Flats |
| Step Increments | 1/16" |
| Sub-brand | Secure Grip |
| System Of Measurement | Imperial |
Shipping Info:
| Ship weight (kg) | 0.2 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Shank Dia. | Impact Rated | Primary Material Application | Number Of Hole Sizes | Decimal Equivalent | Finish | Maximum Hole Size | Minimum Hole Size | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
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48-89-9239 | 3/8" | No | Plastic, Steel | 16 | 0.125, 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.6875, 0.8125, 0.875, 0.9375, 1, 1.0625, 1.125 | Black Oxide | 1 1/8" | 7/8" | 2 | €407.49 | |
![]() |
48-89-9291 | 1/4", 3/8" | No | All Materials | - | 0.125, 0.1562, 0.1875, 0.2187, 0.25, 0.2812, 0.3125, 0.3437, 0.375, 0.4062, 0.4375, 0.4687, 0.5, 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875 | Black Oxide | 7/8" | 1/8" | 1 | €465.99 | |
![]() |
48-89-9256 | 1/4" | Yes | Plastic, Steel | 24 | 0.125, 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875, 1 | - | 1" | 1/8" | 1 | €309.48 | |
![]() |
48-89-9257 | 1/4" | Yes | Plastic, Steel | 27 | 0.125, 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.6875, 0.8125, 0.875, 0.9375, 1, 1.0625, 1.125 | TiAlN | 1 1/8" | 1/8" | 1 | €263.31 | |
![]() |
48-89-9254 | 1/4" | Yes | Plastic, Steel | 31 | 0.125, 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875 | - | 7/8" | 1/8" | 1 | €244.77 | |
![]() |
48-89-9399 | 1/4", 3/8" | No | Plastic, Steel | 32 | - | Black Oxide | 35 mm | 4 mm | 1 | €352.24 | |
![]() |
48-89-9243 | 1/4" | Yes | Aluminum, Steel | 10 | 0.1875, 0.75 | - | 3/4" | 3/16" | 1 | €101.98 |
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MILWAUKEE 48-89-9234 Step Drill Bit Set, 12 Hole Sizes, 3/16 Inch to 7/8 Inch, 1/16 Inch Step Increments
€301.19 /pack







