General description The Step Drill Bits set includes 5 pieces of titanium-coated double slot cone drill bits and an automatic center punch, all housed in a protective aluminum case for convenient storage and transport. The drill bits are designed for drilling holes in various materials such as steel, brass, wood, plastic, sheet metal, aluminum, insulation board, and PVC board. The set features double cutting blades and a trilateral shaft design for faster, smoother cutting and to prevent the drill chuck from slipping. Technical specifications Material: High-speed steel (HSS) with titanium coating Includes: 5 step drill bits and 1 automatic center punch Design: Double cutting blades and X-shaped opening for efficient chip removal Dimensions: Laser etched for accuracy Compatibility and accessories Compatible with bench drills, hand drills, and rechargeable drills Includes an attractive aluminum case for storage Installation Quick-change HEX handle for easy installation Usage Ideal for