5Pcs Wood Countersink Drill Bit Set Hex Shank Quick Change Counter Sinker Pre Product Details Features 1. In one step, you can drill, countersink and counter bore the perfect sized hole for #5, #6, #8, #10, #12 screws. 2. The countersink drill bit have self-starting point and two-fluted design eliminates chatter and vibration for smooth operation to make clean, accurate and burr-free cuts 3. Ideal for plugs or dowel buttons. Power groove 1/4" hex shank is quick change and impact drill/driver compatible 4. Countersink drill bit perfect for wooden planks, plastic, soft metals, fiber board, particle board, plywood, aluminum board etc. Specifications: Screw Size: #5, #6, #8, #10, #12 Drill Size: 5/64?, 3/32?, 7/64?, 1/8?, 9/64? Countersink Dia.:3/8? ,3/8?, 3/8?, 3/8?, 1/2? Woodworking Chamfer: High speed steel Shank feature: 1/4" Hex Shank Chamfer angle: 82 degrees For use in wood and plastic Package included: 5x Countersink drill bit 5x Replaceable drill bits 1x Hex wrench ?Capability Durability?Drill bit material: high-speed steel; chamfer material: high-carbon steel, high hardness, offer superior cutting power and durable; Chamfer angle: 82 degrees ?Application?Pre-drill and countersink to drive screws flush with the material surface or deep hole counter boring for driving screw heads below the surface. ?Removable and adjustable?Drilling length can be adjusted for various length screws simply by loosening and tightening the set screw. ?Fast Chip Removal?Faster discharge of sawdust. Ultra-sharp cutting flute clears chips efficiently and leaves a clean, smooth hole. ?Package Content? Includes 5 Screw Countersinks: 5/64?x3/8?, 3/32?x3/8?, 7/64?x3/8?, 1/8x3/8? 9/64?x1/2?Equipped with a hex wrench and 5pcs replaceable drill bits 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.