Toolant 5/8" Noir-Ti Cobalt Countersink Drill Bit(Pro), Titanium Aluminum Product Details toolant Pro Cobalt Countersink Drill Bit- An exceptional choice for Chamfering. Offers exceptional performance specifically for drilling through metal. Titanium Aluminum Nitride Coating - Increases surface hardness to 92HRC with outstanding heat-resistance, so your drill bit cuts fast and stay sharp Industrial Grade Cobalt High-speed Steel - Superior strength, heat resistance, and durability, making it ideal for drilling metal Impact Ready Hex Shank - One-piece built solid 1/4" Hex Shank for quick change 90 Days Warranty - In the event that you are not completely satisfied with your purchase for any reason, please reach out to us, and we will gladly provide a 103% refund or replacement. 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.