13-step 5mm-35mm HSS Step Drill Bit 4241 Step Drill Bit Titanium Hole Cutter Tool with Conical Tip and Hex Point HSS Tool Kit

Advantage: Classic HSS offers stability and speed. Special titanium coating reduces friction and heat, increases durability, and makes drilling more precise. Dual-slot design and depth gauge allow for faster, smoother, and more accurate cuts. Perfect drilling of steel, brass, plastic, wood, copper, fiberglass, PVC, thin metal, and aluminum. Specifications: Type: 5-35 mm (5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35 mm) Total length: 72 mm Step height: 3 mm Shank diameter: 12.7 mm Shank length: 24 mm Material: HSS-4241 Weight: 30g Package included: 1 pc 13 Step 5mm-35mm HSS Step Drill Bit Hot tip: Recommended drilling speed 250-400 rpm. Made of HSS-4241, it cannot be used on stainless steel. For use with materials with a hardness below HRC 25°, the plate thickness must be less than Adding 5 mm of water to cool it during operation can effectively extend its lifespan. Caution: Remember to protect your hands when using this product. This product is not for sale to children.