Sali 3"(76Mm) Tct Hole Saw Kit Tungsten Carbide Tipped Hole Saw Drill, Plastic Product Details Size cutting diameter?3"(76mm) ? cutting depth: 1 inch?60mm?, shank dia.: 3/10 inch(8mm), perfect for drilling hard metal Material made from high quality tct carbide( tungsten carbide tipped cutters), high-grade titanium-plated cemented carbide tooth, ensuring its high hardness, rust proof, sturdy and durable Unique three-blade design this tct hole saw teeth designed with three-blade, include outer blade, middle blade, and inner blade, making it sharper and more efficient, ideal for cutting hard metals Multipurpose tools:This hole saw set apply to bench drill, magnetic drill, gun drill, drill percussion and so on. Perfect for hard metal, stainless steel plate, square tube, iron, cast iron, wood, f.r.p and other general sheet metal?note: Cannot be used for concrete, tiles and stone Reminder: For safety purposes, remember to add coolant during continuous high-speed drilling, and please wear protective goggles and gloves when using our hole saw set 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.