Specification Brand : 3M BulletPoint1 : Alumina Zirconia mineral with a grinding aid provides more cutting power than aluminum oxide across all metal types BulletPoint2 : Flaps combine grinding and blending into one step for time savings BulletPoint3 : Durable Y-weight polyester-backed flaps provide longer life on high-pressure applications such as sharp-edge work and beveling BulletPoint4 : Quick change disc simplifies disc changes and does not require hand tools BulletPoint5 : Angled, Type 29 disc provides aggressive stock removal and fast cutting on both flat and curved surfaces Color : Form-Standard CompatibleDevices : Angle Grinder Configuration : Form Type-Type 29 ConstructionType : Coated ExternallyAssignedProductIdentifier1 : 051141309552 ExternallyAssignedProductIdentifier2 : 0051141309552 ExternallyAssignedProductIdentifier3 : 00051141309859 FasteningType : Threaded Hole IncludedComponents : 3M Flap Disc 577F, T29, Alumina Zirconia IndustryStandardIdentifier : Type 27 ItemName : 3M 577F Type 27 Coated Alumina Zirconia Flap Disc - 36 Grit - 4 1/2 in Dia 7/8 in Center Hole - 13300 Max RPM - Standard - 30955 [PRICE is per DISC] ItemPackageDimensions_Height : 5.8 inches ItemPackageDimensions_Length : 6.4 inches ItemPackageDimensions_Width : 6.2 inches ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-flap-discs Manufacturer : 3M Material : NorZon Material1 : Aluminum Oxide Material2 : NorZon Material3 : Ceramic MaximumRotationalSpeed : 3300 rpm ModelName : 3M flap disc 577F ModelNumber : 60440263139 NumberOfItems : 1 PartNumber : 60440263139 Pattern : Type 29 ProductDescription : 3M coated 577F Type 27 flap disc uses alumina zirconia as the abrasive material and has a diameter of 4 1/2 in. 3M incorporates this alumina zirconia material into the flap disc forming a grit of 36. All abrasive products that rotate or spin, such as the ones in this category, have a maximum speed at which you can run them. This 3M flap disc can be run at a maximum speed of 13300. The 3M flap disc uses fiberglass for the backing plate. ProductSiteLaunchDate : 2012-02-01T15:28:37.941Z Size : Diameter Thread Size - 4-1/2 in x 5/8-11 StreetDate : 2017-05-15T00:00:01Z Style : Grit 60 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1