Tungsten Carbide Coated End Mill Double Flute Milling Cutter Cnc Rotary Burrs Product Details TUNGSTEN CARBIDE: These end mills are made from high quality tungsten carbide for good hardness,so these milling cutters have sharp edge. SHARP: Sharp cutting edges, can be use for milling holes, grooves and edges on plates, you will have a clean and smooth cutting. POLISHED AND COATED SURFACE: These milling cutters adopted well polished coated surfaces, the surface is clean, neat, and there is no glitches or burrs on the shank. FIT FOR MANY MACHINES: These end mill adopted 3.175mm Shank, would fit for many milling machines or CNC cutting machines. HANDEL DIFFERENT MATERIAL: These end mills can be used to drill many items or materials can be engraved such as circuit boards, hardware parts, plastics, copper and stainless steel. 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.