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HSS step drills with high-quality HICOAT coating HC-FEP are wear-resistant and versatile when used in machining steel, stainless steel (INOX), non-ferrous metals, thermoplastic and duroplastic plastics. All step drills have a three-edge shank for secure transfer of torque. Step drills with HICOAT coating HC-FEP offer a high heat hardness and resistance to oxidation. They can therefore also be used on hard materials without the addition of coolant.This text is machine translated.