Features 1、Countersink Drill Bit: Experience excellent performance with our countersink drill bit crafted from M2 HSS. Measuring 2.8mm, it is suitable for #8 screws, ensuring exceptional compatibility and grip. 2、Incisive Tungsten Steel Alloy Cutting Edgings: With an 82° tungsten steel cutting design, our drill bits provide smoothly, no burr cutting, suitable for use with US standard sheet metal screws and machine screws. 3、Adjustable Depth Settings: Customize drilling and countersink depths of the drill bit via hex screws and a depth control stop, offering maximum versatility for various applications. Easily replace the M2 HSS drill bit with standard sized bits. 4、Versatile Material Compatibility: Designed for cutting through a wide range of materials, including nature wood, MDF, particle board, plywood, aluminum, non ferrous metals, and HDPE, making it suitable for any project. 5、Enhanced Convenience and Performance: Includes an additional stop collar to reduce material marking, a convenient wrench, and a storage case, enhancing usability for continuous workshop applications. Specification Item Type: 4 Flute Drill Bit Material: Alloy Steel, Tungsten Steel Alloy Drill Bit Diameter: Approx. 2.8mm / 0.11in Package List 1 x Drill Bit 1 x Wrench 1 x Storage Box