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Product Info
Product Info
The Kincrome Spiral Step Drill 4-12mm is a high-speed steel step drill built for professionals and serious DIYers who need clean, accurate holes in sheet metal, plastic, and thin-gauge materials. Its dual-spiral flute design improves cutting precision and chip evacuation, while clearly marked hole sizing lets you select the right step at a glance. A Titanium Aluminium Nitride (TiAlN) coating reduces friction and heat build-up, extending drill life well beyond an uncoated HSS bit.
The 1/4" hex shank fits standard drill chucks and quick-change holders, and the bit is rated for use with impact drivers — so it works seamlessly with most cordless tool kits. Covering 4–12mm, this step drill eliminates the need to swap bits for common hole sizes, making it a practical addition to any automotive, electrical, or fabrication toolkit.
Features
- Dual-spiral flute design for increased cutting precision and efficiency in metal
- TiAlN (Titanium Aluminium Nitride) coating for extended performance and drill life
- High-speed steel (HSS) construction handles demanding drilling applications
- Clearly marked hole sizing for fast, accurate step selection on the job
- 1/4" hex shank fits standard drill chucks and quick-change tool holders
- Compatible with impact drivers for versatile cordless use
Tech Spec
| Drill Size Range | 4–12mm |
|---|---|
| Shank Type | 1/4" Hex |
| Material | High-Speed Steel (HSS) |
| Coating | Titanium Aluminium Nitride (TiAlN) |
| Flute Design | Dual-Spiral |
| Impact Driver Compatible | Yes |