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 : Heavyweight polyester-backed flaps provide longer life on high-pressure applications such as sharp-edge work and beveling BulletPoint4 : Quick change disc simplifies disc changes BulletPoint5 : Flat, Type 27 disc is designed for higher pressure applications on flat surfaces Color : Form-Standard CompatibleDevices : Angle Grinder Configuration : Form Type-Type 27 ConstructionType : Coated ExternallyAssignedProductIdentifier1 : 051141309743 ExternallyAssignedProductIdentifier2 : 0051141309743 ExternallyAssignedProductIdentifier3 : 00051141309521 FasteningType : Threaded Hole IncludedComponents : Flap Disc IndustryStandardIdentifier : Type 27 ItemName : 3M 577F Type 27 Coated Alumina Zirconia Flap Disc - 80 Grit - 4 1/2 in Dia 7/8 in Center Hole - 13300 Max RPM - Giant - 30974 [PRICE is per DISC] ItemPackageDimensions_Height : 5.2 inches ItemPackageDimensions_Length : 8.4 inches ItemPackageDimensions_Width : 5.6 inches ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-flap-discs Manufacturer : 3M Material : NorZon Material1 : Aluminum Oxide Material2 : NorZon Material3 : Ceramic MaximumRotationalSpeed : 13300 rpm ModelNumber : 00-7XIM7LCU-44 NumberOfItems : 10 PartNumber : 60440263329 Pattern : Type 27 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 80. 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 : 2012-02-01T15:28:43.447Z Size : Diameter Thread Size - 4-1/2 in x 5/8-11 StreetDate : 2017-12-12T00:00:01Z Style : Grit 40 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1