This general-purpose 4241 HSS step drill bit is designed for drilling, enlarging and deburring holes in compatible thin sheet materials. Choose 4–12 mm, 4–20 mm or 4–32 mm, each supplied individually with a size-specific 3-flat shank.
Key Features
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4241 High-Speed Steel: A general-purpose drill material suitable for light drilling operations in compatible sheet materials.
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Straight-Flute Design: Suitable for drilling, progressively enlarging, deburring and lightly countersinking holes.
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Three Size Ranges: Available in 4–12 mm, 4–20 mm and 4–32 mm variants with 2 mm diameter increments.
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Marked Cutting Steps: Clearly marked diameters help the operator select the required hole size.
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Size-Specific 3-Flat Shank: Provides secure clamping in a compatible three-jaw drill chuck.
Available Variants
| Product Code |
Drilling Range |
Steps |
Step Height |
Cutting Length |
Shank Diameter |
| 000507-4-12 |
4–12 mm |
5 |
7 mm |
42 mm |
6 mm |
| 000507-4-20 |
4–20 mm |
9 |
4.5 mm |
52 mm |
8 mm |
| 000507-4-32 |
4–32 mm |
15 |
4 mm |
78 mm |
10 mm |
Product Specifications
| Specification |
Details |
| Material |
4241 high-speed steel |
| Flute Type |
Straight flute |
| Diameter Increment |
2 mm |
| Shank Type |
3-flat anti-slip shank |
| Compatible Interface |
Three-jaw drill chuck matching the selected 6 mm, 8 mm or 10 mm shank |
| Compatible Machines |
Cordless drills, handheld electric drills and bench drills with a suitable chuck |
| Sales Unit |
1 pc |
Applications
- Drilling and enlarging holes in compatible thin mild-steel and iron sheet
- Working with thin aluminium and copper sheet
- Drilling compatible plastic sheet
- Deburring and lightly countersinking existing holes
Included Components
- 1 × 4241 HSS straight-flute step drill bit in the selected size