3 Pcs Countersink Drill Bit Set, Hss M2 Tapered Bits #10#12#14-1/8" 9/64" 5/32" Product Details Complete 3-Piece Countersink Drill Bit: The set includes 3 high-speed steel (HSS) M2 tapered bits in sizes #10, #12, and #14 (1/8", 9/64", 5/32" drills), with a 3/8? 82 counter-bore and a 1/4? hex shank for both a secure grip, a universal compatibility with most drills. Depth Adjustable Maximizing Versatility: Both pilot drill and counterbore depth are adjustable with a frictionless depth stop and wrench included, to achieve accurate drilling. The added frictionless depth control collar can reduce surface marring effectively. Sharp Carbide Cutting Edges: M2 HSS pilot drill bits with spiral chip flute, ensure rapid cutting; Sharp tungsten steel alloy cutting edges create smooth countersink and counterbore holes, ideal for screws fitting 82-degree imperial (U.S.) standards. Wide Range of Application: working with natural woods, chipboard, man-made boards, plywood, MDF, aluminum, non-ferrous metals, and decking. For best results and smooth edges, operate the countersink at slow speeds, approximately 200 RPM. Convenient: stored in a well-padded carrying case, all 3 countersink drill bits, an additional frictionless depth control collar, and an Allen wrench are easily accessible for organized and effortless transportation 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.