Step Cone Drill Bit, 13 Steps 5mm-35mm HSS Step Drill Bit 4241 Step Drill Bit Titanium Hexagonal Point Cone Tip Hole Cutter Tool HSS Tool Kit for Steel, Wood, Plastic, etc.

General descriptionStep Cone Drill Bit with 13 steps ranging from 5mm to 35mm is designed for precision drilling in various materials including steel, brass, plastic, wood, copper, fiberglass, PVC, thin metal, and aluminum. The classic HSS construction ensures stability and speed, while the special titanium coating reduces friction and heat, enhancing durability and accuracy during drilling.Technical specificationsType: 5-35mm (5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35mm)Total Length: 72mmHeight of each step: 3mmShank Diameter: 12.7mmShank Length: 24mmMaterial: HSS-4241Weight: 30gUsageRecommended drilling speed: 250-400rpmSuitable for materials with hardness under HRC 25°For optimal performance, use water to cool the bit while drilling, especially on plates less than 5mm thick.Other informationCaution: Always protect your hands when using this tool.This product is not intended for sale to children.