Specification Brand : Spyder BulletPoint1 : New Rapid Core eject holes saws allow you drop out the core at the touch of a button BulletPoint2 : Made with tough bi-metal steel BulletPoint3 : Variable tooth pitch guarantees a fast and clean cut through all thicknesses BulletPoint4 : Cutting depth of up to 1-7/8" BulletPoint5 : Package Content - The package includes 1pcs hole saw, 2pcs center drill bits, 2pcs springs, 1pcs hex wrench, can be used directly, no need need to purchase additional accessories. BulletPoint6 : 【Recommended Machine】: For a 5/8"-11 thread angle grinder, use a recommended speed of 6000 RPM for discs under 100mm and a maximum of 11,000 RPM. For discs 100mm and above, the recommended speed is 3000 RPM, with a maximum of 6000 RPM. If you're using an electric drill or other machines, you can use the included hex or SDS adapter for compatibility Color : Black CompatibleMaterial : Stone CompatibleMaterial1 : Iron CompatibleMaterial2 : Aluminum CompatibleMaterial3 : Metal CompatibleMaterial4 : Carbon Steel ExternallyAssignedProductIdentifier1 : 884835002763 ExternallyAssignedProductIdentifier2 : 0884835002763 ExternallyAssignedProductIdentifier3 : 00884835002763 FinishType : Diamond GpsrSafetyAttestation : 1 IncludedComponents : hole saw ItemDisplayWeight : 0.25 pounds ItemName : Spyder 600091 Rapid Core Eject Bi-Metal Hole Saw, 2-3/4" ItemPackageDimensions_Height : 12.7 centimeters ItemPackageDimensions_Length : 6.604 centimeters ItemPackageDimensions_Width : 6.858 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : hole-saws Manufacturer : Simple Man Products Material : Steel Material1 : High Carbon Steel Material2 : Tungsten Carbide ModelName : 825-1-3/8 ModelNumber : 600091 NumberOfFlutes : 2 NumberOfItems : 1 NumberOfPieces : 1 PackageLevel : unit PartNumber : 600091 PowerSourceType : Manual ProductDescription : 1. Carbide hole saw kit can cut to a depth of 25mm. The package includes a metal hole saw, 2 center drills, 2 springs, and a wrench. 2. The carbide hole cutter head is made of carbide, high in hardness, durable, and wear-resistant. The three-layer cutting-edge design drills quickly and smoothly, providing efficient cutting performance on various materials. 3. The metal hole saw kit can be installed on hand drills, impact drills, bench drills, and CNC drill machines and can cut materials such as stainless steel, mild steel, copper, iron, fiberglass, aluminum, wood, and plastic. 4. Widely used in industrial plants, home renovations, car repairs, and DIY requires a durable hole saw for precise cutting of high-quality stainless steel. 5. The metal material being cut must be clamped firmly to prevent movement or vibration during the cutting process to ensure an accurate cutting position. ProductSiteLaunchDate : 2014-02-27T21:52:38.524Z Size : 53mm (2-5/64") Style : Compact SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredDgHzRegulation1 : not_applicable SupplierDeclaredDgHzRegulation2 : not_applicable SupplierDeclaredDgHzRegulation3 : not_applicable SupplierDeclaredDgHzRegulation4 : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Metal SurfaceRecommendation1 : Metal SurfaceRecommendation2 : Stainless Steel SurfaceRecommendation3 : Wood UnitCount : 1 UnspscCode : 27112700 WarrantyType : limited warranty