Specification Brand : Asia Pacific Construction BulletPoint1 : Remind: The arbor of this Diamond zero tolerance drum and core bit TWO IN ONE is 5/8"-11 Thread. NOT M14 Thread. BulletPoint2 : (a) 1 Piece of 3" (75 mm Diameter) Diamond Zero tolerance grinding drum wheel and core bit TWO IN ONE (5/8"-11 Thread). Save time save money. BulletPoint3 : The height of working layer is 50 MM. This tools do the stone concrete travertine hole cutting and the inner hole polishing at the same time. BulletPoint4 : The other combo kit we recommend: CompatibleMaterial1 : Stone CompatibleMaterial2 : Marble ConstructionType : Grinding ExternallyAssignedProductIdentifier1 : 0656879058385 ExternallyAssignedProductIdentifier2 : 656879058385 ItemName : 3" Diamond Vacuum Brazed Grinding Drum Wheel (also a core bit hole saw) with 5/8-11 Thread for stone concrete granite marble countertop vanity top sink hole arc inner polishing ItemPackageDimensions_Height : 2.25 inches ItemPackageDimensions_Length : 8.5 inches ItemPackageDimensions_Width : 5 inches ItemPackageQuantity : 1 ItemTypeKeyword : core-drill-bits Manufacturer : Asia Pacific Construction Material : diamond resin ModelNumber : 2016 Polishing Pad PartNumber : PP2016 ProductDescription : Remind: The arbor of this Diamond zero tolerance drum and core bit TWO IN ONE is 5/8"-11 Thread. NOT M14 Thread. This package carries (a): (a) 1 Piece of 3" (75 mm Diameter) Diamond Zero tolerance grinding drum wheel and core bit TWO IN ONE (5/8"-11 Thread). Save time save money. The height of working layer is 50 MM. This tools do the stone concrete travertine hole cutting and the inner hole polishing at the same time. ProductSiteLaunchDate : 2015-11-01T07:00:00.000Z Style : Compact UnitCount : 1