GSTK Upgrade Heavy Duty Carbide Hole Saw 14 Pcs Metal Steel Hole Saw Drill Bit TCT Hole Cutter Alloy Hardness Upgrade with 2*Extra Titanium Plated Pilot Center Drill and 2*L-Wrench

(14pcs)Specification: Material: TCT Carbide Cutting Diameter: 14mm(9/16”) 16mm(5/8”) 19mm(3/4”) 22mm(7/8”) 25.5mm(1”) 29mm(1-1/8”) 32mm(1-1/4”) 35mm(1-3/8”) 38mm(1-1/2”) 45mm(1-3/4”) 51mm(2”) 54mm(2-1/8”); 1. Made of TCT carbide steel The gears ​is sharper and more efficient ideal for cutting hard metals. 2. Cuts quickly precise holes in metal Steel Stainless Steel iron Copper Brass Aluminum Fiberglass Formica And Other Laminates In Seconds. 3. Each edge is a part of the characteristics of the cutting work making the hole is not easy to produce the phenomenon of collapse. Package Included: 12* TCT Carbide Hole Saw Bit 2* Extra Titanium-Plated Pilot Drill bit 2* L-Wrench Warm Tips: Remember to add coolant during continuous high-speed drilling so that the bit does not overheat. It can be water or some kind of oil. This Hole Saw Cannot be used for concrete tiles and stone. Do not forget to use a lubricant. This product is not easy to cut a relatively thin metal mat