Triangle Shank Silver Spiral Groove Step Drill Bit Set (4-12mm, 4-20mm, 4-32mm) High-Speed Steel 4241

This versatile drill bit set is crafted from high-speed steel 4241, ensuring durability and precision for a variety of drilling tasks. Featuring a spiral groove design, it allows for efficient chip removal and reduced friction during use. The set includes three step drill bits with sizes ranging from 4-12mm, 4-20mm, and 4-32mm, making it perfect for creating holes in a wide range of materials. The unique triangle shank design provides a secure grip in the drill chuck, preventing slippage during operation. Ideal for both professional and DIY projects, this set offers a reliable and efficient solution for all your drilling needs. Material: Purple sandalwood Manufacture country: China Instructions included: No