Specification Brand : Anderson BulletPoint1 : Fill Material Steel BulletPoint2 : Filament/Wire Diameter (Decimal Inch) 0.0118 BulletPoint3 : Wire Type Crimped BulletPoint4 : Arbor Type Threaded Arbor BulletPoint5 : Arbor Hole Thread Size 5/8-11 CompatibleMaterial1 : Aluminum CompatibleMaterial2 : Alloy Steel CompatibleMaterial3 : Wood ExternallyAssignedProductIdentifier1 : 0707326109706 ExternallyAssignedProductIdentifier2 : 707326109706 ItemName : Anderson - 4" Diam, 5/8-11 Threaded Arbor, Steel Fill Cup Brush - 0.0118 Wire Diam, 7/8" Trim Length, 9,000 Max RPM (8 Pack) ItemPackageQuantity : 8 ItemTypeKeyword : abrasive-cup-brushes Manufacturer : Anderson Material : Brass NumberOfItems : 8 NumberOfPieces : 8 PartNumber : 00358317 ProductDescription : Steel is the most common filament/wire material due to its durability and cutting action. It is suitable for general purpose applications and can be used on iron, steel, aluminum, brass, copper and wood. ProductSiteLaunchDate : 2020-01-03T04:10:25.712Z UnitCount : 1