【High Quality Material】Rustproof and durable, the cutting edge of the drill bit is smooth, without chatter or fluted edges. For clean and precise countersinking, chamfering or beveling of round holes in workpieces. 【Internal Chip Evacuation】The countersunk drill bit eliminates chips during cutting, reduces clogging and prevents metal splashing, making cutting faster, cleaner and quieter, and the round handle can be used with a variety of systems. 【Higher Efficiency】The HSS coated chamfering tool has high precision and sharpness, the tip is at a 90° angle for clean and precise countersinking. Increase productivity and save time and energy in both home and industrial operations. 【WIDE APPLICATION】 Suitable for cutting plywood, wood, acrylic, PVC board, plastic, and metal. When working with materials, the drill bit must be kept cool between drill holes. (Note: It is necessary to cooperate with the bench drill operation and the hand electric drill cannot be used.) 【Package Included】 Our