6Pcs Titanium Combination Drill And Tap Bits Set, 1/4" Hex Shank, Metric M3-M10 Product Details 6PCS 1/4" Hex HSS Combination Screw Tap Drill Thread M3-M10 with Automatic Center Punch Tool Specification: Description : Features : Package include: Caution: When you use this drill bits, the material temperature will get very high, please add some water or coolant to avoid the material get smoke when using it. ?100% Satisfied ? Contact us if you are not satisfied with it for any reason. And we promise all the issue will be solved within 24 hours. Please Note: If you recevie the package is not include the Center Punch, please contact to us. We will slove this problem at soon! . Material: Titanium Combination Drill taps are made of HSS 4341, High hardness, rustproof, solid and dsturdy; Each tap drill is engraved with a size making, which is convenient for you to choose the size that suits you. Easy Use: Fast replacement composite cone, uses drill edged principle. Drilling and tapping in one, one-step processing, greatly save processing steps and time costs, improve working efficiency. Metric: M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5.Shank:1/4 inch (6.35mm) hex quick-change shank, fit Electric hand drill, impact drill, bench drill, electric screwdriver and other tap machines. Automatic Center Punch Tool: The Automatic Center Punch delivering an automatic spring-driven strike when pressed against surface, it can be adjusted cap regulates striking force. Widely Use: Suitable for drilling, tapping, cutting on soft metal, aluminum plate, iron, etc. Note: Low Speed and Cutting holes in materials (Thickness: 3mm) 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.