Hole Cutter Heavy Duty For Stainless Steel (5/8"-2-1/8"), Tungsten Carbide ?Meric TCT hole saw set includes? :10 pcs hole cutters with dimensions 16mm(5/8"), 18mm(11/16"), 20mm(3/4"), 22mm(7/8"), 25mm(1"), 30mm(1-1/8"), 35mm(1-3/8"), 45mm(1-3/4"), 50mm(2"), 53mm(2-1/8"),10 pcs pilot drill bits and 1 pc hex key.A variety of sizes to meet your different needs. ?High Quality Material??This hole saw is made from high quality Tungsten Carbide Tipped Cutters, ensures its high hardness, rust proof and sturdy.The high-end tungsten carbide technology and optimized tooth geometry make hole saws provide superior lifetime and fast cutting in the most demanding applications. [Application]: These Hole Saw Sets provide fast and precise cuts into 28MM thickness metal material, they are Industrial grade metal drilling hole cutter for stainless steel, metal, iron. It is also suitable for plastic, aluminum, FRP, etc. Remember to add coolant during continuous high-speed drilling. ?Easy to Use?: TCT Carbide Steel teeth for fast cutting of clean and smooth round holes. They are suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine. ?Sincere Service?: Drill bit, spring, wrench are included, which make your job more convenient and easier.The pilot drill bit is detachable.If you have any question about product, please feel free to contact us by email or Q A, the reply will be provided within 24 hours.