HSS Hole Saw Kits for Metal Rocaris 13 pcs HighSpeed Steel Hole Saw Cutting Kit Drill Bits Opener Cutter Tool for Stainless Steelcopper Iron 16~53mm

Three groups of edge, each blade in cutting process is responsible only for 1 / 3 of the workload, and inside each edge also has a cutting edge, also due to the edge,respectively, the burden of the characteristics of part of the cutting work, making the drill hole is not easy to produce the phenomenon of edge collapse. Specifications: Material:alloy Color:silver Length:65-70mm Outside diameter Size: 6mm/0.63", 18mm/0.71", 20mm/0.79", 25mm/0.98", 26mm/1.02", 28mm/1.10", 30mm/1.81", 35mm/1.38", 40mm/1.57", 45mm/1.77", 50mm/1.97", 53mm/2.09". Chuck size:10mm Appliacation:Can be used for bench drill, electric drill chuck with the use of machine tools Features: ?Each edge is a part of the characteristics of the cutting work, making the hole is not easy to produce the phenomenon of collapse ?The stainless steel plate, steel, casting, Aluminum Alloy, iron and other kinds of metal plate drilling ?Chip removal, with excellent performance, sharp edge, wear-resistant Note: This product is not easy to cut a relatively thin metal material, can be cutting within the 2-5mm stainless steel plate and the metal plate?15mm Package include: 13 x Drill Bit Holes