General description DEWALT Extreme Metal Drill Bits are designed for both portable and stationary drilling of steel, including alloyed and non-alloyed materials, with a hardness of up to 900N/mm. They excel in drilling sheet or thin materials, ensuring accurate, burr-free holes. Additionally, they are effective for use in wood and plastic materials. The patented split pilot point design prevents walking or slipping upon contact. Technical specifications Number of pieces: 29 Sizes included: 1, 1.5, 2, 2.5, 3, 3.2, 3.3, 3.5, 4, 4.2, 4.5, 4.8, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13mm Material: HSS (High-Speed Steel) Compatibility and accessories Compatible with standard drill chucks Installation Insert the desired drill bit into the drill chuck and tighten securely. Usage Ideal for drilling into steel, alloyed and non-alloyed materials, wood, and plastic. Best suited for applications requiring precise and clean holes. Other information