Hex Shank Black Step Drill Set: 3-12mm, 4-12mm, 4-20mm, 4-32mm

This versatile step drill set is designed for precision and efficiency, featuring drill bits in sizes 3-12mm, 4-12mm, 4-20mm, and 4-32mm. Each bit is crafted with a hex shank for a secure fit, providing optimal control during use. The black finish enhances durability while reducing friction, ensuring smooth and clean cuts through various materials. Ideal for both professional and DIY enthusiasts, this set is perfect for creating holes of multiple diameters quickly and accurately. ``` Material: Black steel Shank Type: Hex Sizes: 3-12mm, 4-12mm, 4-20mm, 4-32mm Finish: Black oxide coating Purpose: Metal drilling Flute Type: Spiral ```

Manufacture country: China Instructions included: No