Alloy Hole Cutters Carbide Hole Opener Stainless Steel Hole Opener Reamer Metal Hole DrillDescribe:Innovative Three-Blade DesignThe metal hole saw kit is designed as three-blade for layered cutting, which can make cutting resistance less and chip removal smoother. It can prolong the service life.Quick CutThe teeth of the metal hole saw kit are designed with front and rear low top teeth and three edges, which are more efficient than flat teeth drilling. Widely used in home DIY, auto parts, woodworking, professional machine repair, etc.Top QualityMade of YG8 tungsten carbide steel, titanium plated carbide teeth are sharp, rust-proof and durable. Suitable for hand-held power drills, vertical power drills and mobile belt magnetic drills.Easy to operateThe center first penetrates the material, and the hole is accurately opened with this as the center. The spring design of the center drill controls the feed rate and avoids damage to the drill bit by sudden feed.Multi-purpose toolCarbide hole saw set is widely used for drilling holes in stainless steel plate, hard metal, iron, mild steel, alloy steel, aluminum, glass fiber reinforced plastic and plastic. Great for installing locks, knobs in doors and cabinets or drilling larger diameter holes through tables etc.(Tip: Not recommended for tile, glass, concrete, stone.)Parameter:Material Type: High Speed SteelMaterial: aluminum alloyColor: silverLength: 65-70mmChuck size: 10mmOuter diameter: 16mm, 20mm, 25mm, 35mm, 45mm, 53mmFeature:Each edge is a part of the cutting work, making the hole less prone to collapseDrilling of various metal plates such as stainless steel plates, steel, castings, aluminum alloys, iron plates, etc.Chip removal, excellent performance, sharp edge, wear-resistantNote: This product is not easy to cut relatively thin metal materials, it can cut 2-5mm stainless steel plate and metal plate 15mm Package Includes: 6 x drill hole