Triangle Shank Spiral Flute Step Drill Bit Set (Sizes 4-12, 4-20, 4-32)

This versatile drill bit set is designed for precise and efficient drilling across various materials. With sizes ranging from 4-12mm, 4-20mm, and 4-32mm, it is perfect for tasks requiring multiple hole diameters. The spiral flute design ensures smooth cutting and reduced friction, enhancing performance and durability. The triangular shank offers a secure grip, minimizing slippage during use. Ideal for both professional tradespeople and DIY enthusiasts, this set simplifies drilling projects by providing a seamless transition between sizes without the need for multiple tools. Material: Purple sandalwood Manufacture country: China Instructions included: No