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

General description Step Cone Drill Bit is a versatile tool designed for drilling through various materials including steel, brass, plastic, wood, copper, fiberglass, PVC, thin metal, and aluminum. It features a classic HSS construction that ensures stability and speed during use. The special titanium coating reduces friction and heat, enhancing durability and accuracy in drilling. Technical specifications Type: 5-35mm (5, 7, 10, 12, 15, 17, 20, 22, 25, 27, 30, 32, 35mm) Total length: 72mm Height of each step: 3mm Shank diameter: 12.7mm Shank length: 24mm Material: HSS-4241 Weight: 30g Usage For optimal performance, it is recommended to drill at a speed of 250-400rpm. The drill bit is suitable for materials with a hardness below HRC 25° and should be used on plates with a thickness of less than 5mm. It is advisable to use water for cooling during operation to extend the service life of the tool. Other information Attention: Always protect your hands when using this tool. This product is not suitable for children.