5-pc #12 Countersink Drill Bit Set, 3in1 Woodworking Counterbore Hole Saw Drill Bits, Depth Adjustable 9/64" M2 Pilot Drill Bits, 82-Degree Chamfer, 1/4” Hex Shank, 2 Allen Wrench

Excellent Performance: Our countersink drill bit set is made of high-quality M2 HSS, designed for superior cutting power and durability, ensuring excellent performance on various materials, including wood, plastic, soft metals, fiberboard, particle board, plywood.

Adjustable and Versatile: The 3in1 Woodworking Counterbore Hole Saw Drill Bits set features a standard 1/4 inch hex shank for quick change. An adjustable counter sleeve depth can be easily adjusted with the provided Allen wrench; enables flush screw heads or deeper holes to be covered with matching plugs for professional finish.

Multiple Bits to Meet Your Needs: Our 5 Packs Woodworking Countersink Drill Bits set includes 5 pieces of the most popular size #12 (9/64") countersink drill bits, cater to the needs of cabinet and furniture makers, as well as other woodworking enthusiasts.

Easy to Use: These counter sink bits are designed to drill, countersink, and counter-bore in one step, with a counter bore chamfer angle of 82 degrees, countersinking perfect holes for screws in hard and soft wood.

Important Tips: 1. Secure your workpiece properly. 2. Use a slow consistent speed while drilling for better control and accuracy. 3. Adjust the counter sleeve depth to achieve the desired results on different materials. 4. Clean and Store the drill bits after each use.