Specification Brand : GSTK BulletPoint1 : 12 of sizes to meet your different needs: 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”), 45mm(1-3/4”), 51mm(2”), 54mm(2-1/8”)&2*Extra Titanium Plated Pilot Center Drill and 2*L-Wrench BulletPoint2 : Our hole saw is made of high quality TCT Carbide( Tungsten Carbide Tipped Cutters), ensures its high hardness, rust proof and heavy duty. And the center drill adopts with high accuracy, it’s hard to break. BulletPoint3 : Tipped tooth blade,faster cutting experience. Double round circles to remove metal filings easily and efficient cooling. Eligible for rechargeable drill,portable hand drill,bench drill,eletric drill and etc. BulletPoint4 : Ideal for stainless steel, metal, iron, and plastic, aluminum, FRP, etc. so on. (test for your reference: it apposite to cut a hole on 3mm stainless steel,15mm iron plate,15mm aluminum alloy.) BulletPoint5 : For safety purposes, remember to add coolant during continuous high-speed drilling, and please wear protective goggles and gloves when using our hole saw set. Color : Silver CompatibleMaterial1 : Plastic CompatibleMaterial10 : Brass CompatibleMaterial2 : Stainless Steel CompatibleMaterial3 : Metal CompatibleMaterial4 : Fiberglass CompatibleMaterial5 : Aluminum CompatibleMaterial6 : Stone CompatibleMaterial7 : Alloy Steel CompatibleMaterial8 : Copper CompatibleMaterial9 : Iron GpsrSafetyAttestation : 1 ItemName : 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 ItemPackageDimensions_Height : 20.9042 centimeters ItemPackageDimensions_Length : 11.303 centimeters ItemPackageDimensions_Width : 17.1958 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : GSTK Material1 : Stainless Steel Material2 : Tungsten Carbide ModelNumber : GSTK-HJK-TZ-1 NumberOfTeeth : 14 PartNumber : GSTK-HJK-TZ-1 ProductSiteLaunchDate : 2022-07-27T09:02:31.712Z Size : 12pcs Style : Compact UnitCount : 14 UnspscCode : 27112700