HSS Metal Step Drill Bit, 4pcs 4-12/20/32mm Metal Step Drill Bit Conical Triangle Hex Stainless Steel Titanium Coated Metal for Steel/Wood/Brass/Plastic/PVC

General descriptionThe HSS Metal Step Drill Bit set includes 4 pieces of high-quality drill bits designed for versatility and durability. Made from sturdy HSS steel and coated with titanium, these bits are ideal for drilling holes in various materials such as steel, brass, wood, plastic, thin iron plates, aluminum, insulation boards, and PVC panels. The set also includes a center punch for precise positioning before drilling.Technical specificationsSizes: 4-12 mm (65 mm length), 4-20 mm (75 mm length), 4-32 mm (100 mm length)Material: High-speed steel (HSS) with titanium coatingCenter punch made of impact-resistant alloy steelUsageThe step drill bits are perfect for home improvement and construction projects, allowing users to create holes of different sizes efficiently. The center punch aids in accurate positioning and helps prevent damage to the drill bit's tapered tip.