Description
HSS Step Drill Bit – 4-20mm Spiral Hex Shank Cone Drill for Wood & Metal Hole Cutting
Drill multiple hole sizes with this Drill Bit. Featuring a 4-20mm range and spiral flutes, this step drill cuts clean holes in wood, metal, and plastic without changing bits.
The Drill Bit is made from high-speed steel for durability and heat resistance. The spiral design clears chips efficiently and reduces vibration for smoother cutting. The hex shank fits standard drill chucks and quick-change adapters.
Ideal for sheet metal, woodworking, and DIY projects, this Drill Bit covers common hole sizes for electrical, plumbing, and automotive work. Whether you’re drilling panels or enlarging holes, this step drill delivers reliable performance.
Key specs:
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Type: HSS Step Drill Bit
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Material: High-Speed Steel
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Size Range: 4-20mm
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Shank: Hex
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Flute: Spiral
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Application: Wood, Metal, Plastic Hole Cutting
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Compatibility: Standard drill chucks
Whether you’re working on sheet metal or wood, this Drill Bit gives you clean, accurate holes with one tool.










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