BQKKWIN 5PCS Countersink Drill Bit Set Wood Hole Drill Bit Timber Wood Working Drill Bits for Wood Screw Cutter Adjustable with Hex Key Wrench 6 Sizes 2.8 x 10mm, 3 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4 x 8mm

• UPC   795890846448
• 【 Durability&High Hardness】Made of classic carbon steel material, high hardness, offer superior cutting power and durable.Widely used suitable for DIY, home and general building or engineering using, etc. 【Three Pointed Design】Quickly and accurately drill a smooth hole. Better in centering and no skid.Five-edged chamfer design will fast discharge chips from the hole on both sides automatically.It can effectively prevent the accumulation of debris retention, improve the drilling efficiency. 【Different Sizes】Our Countersink drill bit sets include 6 kinds of sizes: 2.8 x 10mm, 3 x 8mm, 3.2 x 8mm, 3.5 x 8mm, 4 x 8mm, very suitable for using to multi size wood hole drilling. One tool for multi uses, improve your working efficiency. 【Removable and Adjustable】This countersink drill set is contains 6pcs hex key wrench, use the hex key to adjust counter sleeve depth and drilling depth for screws of various lengths. Complete specifications can satisfy all you demand. 【Suitable for Woodworking】Compatible with drilling machines with chuck, for drilling in wood or wood flooring. It is recommended to use the center punch to position before drilling, keep the drill bit Vertical to prevent the drill from bending or breaking.Each drill bit comes with a plastic box with a marked size to facilitate your identification and storage.