6 Pieces HSS Hex Shank Drill Bits, 5 6 8 10 12 1/4" Adjustable Hole Woodworking Tool with Hex Key, Screw Bore Drill Bit for Wood, Plastic, Soft Metal

Various Sizes: HSS constructed drill bit set includes 5 twist drill bits in 5 different sizes, #5 #6 #8 #10 #12 and 1 hex wrench. With numbers on the drill bits for easy recognition, you can meet your different needs.Quality Material: Each cutter is made of heat-treated steel for long-lasting, repeatable performance with easily replaceable HSS (High Speed ​​Steel) drill bits, including including #5/#6/#8/#10/#12 head diameter and hex shank. Convenient Design: The countersink drill bit set has a self-starting point and a five-flute design to eliminate vibration , vibration for smooth operation and making clean, precise, burr-free cuts.Easy to Use: Adjustable counter handle depth with hex key, drilling length can be adjusted for different length screws simply by loosening and twisting. tightening the set screw. Wide applications: the counter-drill bit set provides a clean, fast cut through wooden boards, plastic, soft metals, plywood, aluminum, particle board and much more. In addition, the bits are compatible with power tools, impact drivers or countersink drills.Note: The data is all measured manually, please allow 1-3cm error, due to the difference of light and display, there will be a certain color difference, the actual object received shall prevail.