Step Cone Drill Bit, 13 Steps, 5 mm – 35 mm, HSS 4241, Step Drill Bit, Titanium Hole Cutter, Cone Tip, Hex Tip, HSS Tool Set for Steel, Wood, Plastic, etc.

General descriptionStep Cone Drill Bit features a range of 13 steps from 5 mm to 35 mm, designed for drilling through various materials including steel, brass, plastic, wood, copper, fiberglass, PVC, thin metals, and aluminum. The drill bit is made from HSS-4241 with a titanium coating that enhances durability and reduces friction and heat during use.Technical specificationsType: 5-35 mm (5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35 mm)Total length: 72 mmHeight of each step: 3 mmShank diameter: 12.7 mmShank length: 24 mmMaterial: HSS-4241Weight: 30 gUsageRecommended drilling speed: 250 to 400 rpmSuitable for workpieces with a hardness below HRC 25°Ideal for plate thickness of less than 5 mmWater cooling during operation can effectively extend the service lifeOther informationNote: Remember to protect your hands when usingThis product is not intended for sale to children