Holemaker Step Drill 4-20MM
The Step Drill Straight Flute 4-20mm features advanced coating technology that significantly enhances its durability, efficiency, and versatility. With an increased surface hardness of 85HRC and a ceramic surface, this step drill reduces friction by up to 30%, ensuring smooth and precise drilling.
Its exceptional resistance to cold welding makes it suitable for cutting a wide range of materials, providing consistent and reliable performance for various applications. Ideal for professionals seeking a high-quality, long-lasting drill bit that delivers outstanding results.
Features
- Advanced coating technology for enhanced durability, efficiency, and versatility
- Increased surface hardness to 85HRC
- Ceramic surface reduces friction by up to 30%
- Exceptional resistance to cold welding
- Suitable for cutting a wide range of materials
Specifications
- Sizes: 4, 6, 8, 10, 12, 14, 16, 18, 20mm
- Step Length: 4.0mm
- Overall Length: 75.0mm
- Shank Diameter: 8mm