Описание
The step drill set titanium-nitrided Ø4-30mm 3pcs offers a versatile solution for precise drilling in various materials. Manufactured from HSS steel (4241) and coated with titanium nitride, these step drills ensure low abrasion and extended service life, even under continuous use. The 2mm ascending steps allow for controlled and accurate drilling with minimal effort.
Set contents and steps
| Step drill | Diameter range | Steps |
|---|---|---|
| Drill 1 | Ø4-12mm | 4 – 5 – 6 – 7 – 8 – 9 – 10 – 11 – 12mm |
| Drill 2 | Ø4-20mm | 4 – 6 – 8 – 10 – 12 – 14 – 16 – 18 – 20mm |
| Drill 3 | Ø4-30mm | 4 – 6 – 8 – 10 – 12 – 14 – 16 – 18 – 20 – 22 – 24 – 26 – 28 – 30mm |
Thanks to the titanium-nitrided coating, the drills offer improved heat resistance and reduced wear, making them ideal for sheet metal, stainless steel, plastics, and non-ferrous metals. The set ensures smooth, burr-free holes with high precision, ideal for professional workshops and demanding DIY projects.

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