5pcs 20-50mm HSS Drill Bit Set with Hole Saw Carbide Tip TCT Core Drill Bit for Metal MachiningFeatures:1. The cutter is made of good quality alloy and HSS, durable and practical2. Provide 11 kinds of HSS cutters, meet your different needs3. Removes material from the edge of the hole by cutting a disc of material4. Ideal for installing locks, knobs in doors and cabinets, or drilling larger diameter holes through desks, etc5. Can be used to make big holes in thin steel sheet, aluminum alloy and other soft metal sheetSpecifications:Material: alloy tip + HSS bodySize: 20mm, 25mm, 30mm, 40mm, 50mmColor: as the picture shownQuantity: 5pcsNote:1. Please allow 1-3mm errors due to manual measurement2. The color item displayed in the pictures may be showing slightly different when showing on the computer monitor since self-calibrated monitors are not providedPackage included:5 x cutters1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. About Shipping1.