Conical step drill bit, 13 steps 5 mm-35 mm HSS 4241 Step drill bit Titanium drilling tool Conical tip Hexagonal tip HSS tool set for steel, wood, plastic, etc.

Advantages: Classic high-speed steel (HSS) offers stability and speed. Its special titanium coating reduces friction and heat, ensuring durability and drilling accuracy. The double flute and depth stop allow for faster, cleaner, and more precise cuts. Ideal for drilling steel, brass, plastic, wood, copper, fiberglass, PVC, thin metals, and aluminum. Specifications: Type: 5–35 mm (5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35 mm). Overall length: 72 mm. Flute height: 3 mm. Shank diameter: 12.7 mm. Shank length: 24 mm. Material: HSS-4241. Weight: 30 g. Package contents: 1 HSS step drill bit, 5-35 mm (13 flutes). Tip: Recommended drilling speed: 250–400 rpm. Made of HSS-4241 steel, not suitable for stainless steel. Suitable for steel with a hardness below HRC 25. Plate thickness less than 5 mm. Water cooling during use prolongs its lifespan. Caution: Wear protective gloves when using. This product is not for children.