General description CCYKXA 2pcs 8mm Wood Drill Bits are designed for woodworking and plastic applications. This countersink drill bit set is perfect for drilling holes in various materials, including solid wood, particle board, plywood, and MDF. Technical specifications Size: 8mm Material: High-speed steel (HSS) with alloy blades Features: Waterproof, anti-corrosion, and hardened for durability Usage Ideal for creating countersunk holes for screws Includes a depth stop for precise drilling Quickly discharges chips to enhance drilling efficiency Other information Includes a hex key for adjusting the length of the countersunk hole Adjustable limits on the round shank for versatile applications Stable clamping effect for easy operation