Description 12pcs 15mm 50mm Hole Saw Cutters Kit Drill Bit SetSpecification Materialhard alloyDiameter15mm 50mm 15 16 18 20 21 22 25 26 28 30 35 50 Shank Diameter9 35mmLength70mmSuitable thickness 2 5mm stainless steel plate within 15mm metal plateGood foraluminum steel wood plastic materials gypsum board stainless steel etc Features Split tip drill prevents damage by gradually guiding cutter to material no walking For fast and easy cutting of clean round holes When cutting Chilled materials cutting edge should be filling cooling liquid Chip removal with excellent performance sharp edge wear resistant Can be clamped on hand drill and bench drill can be used for thick steel plates cast iron stainless steel non standard angle iron and other metal open hole Package Included 12 x Hole Saw CuttersMore Details