5-Pc Countersink Drill Bit Set, 3In1 Woodworking Counterbore, 2 Allen Wrench Product Details 3in1 Woodworking Countersink Drill Bits set - a versatile and adjustable countersink drill bit set that can easily handle a range of materials Crafted from high-quality M2 HSS , these countersink drill bits are designed for superior cutting power and durability. Ensuring excellent performance on a variety of materials including wood, plastic, soft metals, fiberboard, particle board, and plywood. Thanks to their adjustable counter sleeve depth , these drill bits can be easily adjusted with the provided Allen wrench, enabling flush screw heads or deeper holes to be covered with matching plugs for a professional finish. And with a standard 1/4 inch hex shank , they're fully compatible with quick change chucks for maximum versatility. This set includes 5 commonly used sizes of countersink drill bits #6 (3/32"), #8 (7/64"), #10 (1/8"), #12 (9/64"), and #16 (3/16") making it an ideal choice for cabinet and furniture makers, as well as other woodworking enthusiasts. For ease of 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 , it ensures perfect holes for screws in hard and soft wood. 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 Sizes to Meet Your Needs: Our 5 Packs Woodworking Countersink Drill Bits set includes three commonly used sizes of countersink drill bits: #6 (3/32"), #8 (7/64"), #10 (1/8"), #12 (9/64"), and #16 (3/16"). These sizes 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. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.