LinkMejor Step Drill Bit Set 5Pcs, HSS Step Drill Bits 50 Sizes

This step bit is designed with 118° X - type split point for precise positioning and effective prevention of slippage, with straight flute structure to ensure fast drilling and smooth chip removal. The step bits are made of high speed steel + titanium coating, which combines ultra-high hardness and abrasion resistance to easily handle hard materials such as stainless steel and cast iron, as well as a wide range of materials such as plastics, aluminum, wood, etc., making them an ideal choice for home repairs and DIY projects. The set includes 5 stepped drill bits of different specifications and comes with an aluminum alloy storage case, which is sturdy, beautiful and easy to carry around, making your drilling operations more efficient and hassle-free.