Specification Brand : Climax Metals BulletPoint1 : Effective on hard and soft shafts BulletPoint2 : Design fully engages the shaft without marring BulletPoint3 : High axial load and torque capacity BulletPoint4 : Recessed screw head provides an outside surface free of major projection for safety BulletPoint5 : Black oxide provides some corrosion resistance BulletPoint6 : 3. Shaft couplings are widely used in small CNC machine tool encoding and 3D printer Z-axis couplings, simplifying the difficulty of debugging. Color : One Color ExteriorFinish : Black Oxide ExternallyAssignedProductIdentifier : 7596317577876 ExternallyAssignedProductIdentifier1 : 044861260760 ExternallyAssignedProductIdentifier2 : 0044861260760 ExternallyAssignedProductIdentifier3 : 00044861260760 ItemName : Climax Part 2CC-225-225-KW Mild Steel, Black Oxide Plating Clamping Coupling, 2 1/4 inch X 2 1/4 inch bore, 3 1/2 inch OD, 5 inch Length, 5/16-24 x 1 Clamp Screw ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : clamp-on-couplings Manufacturer : Climax Metal Products Company Material : steel ModelNumber : ZSHHZSZHS NumberOfItems : 1 NumberOfPieces : 1 PartNumber : 2CC-225-225-KW ProductDescription : Two-Piece Clamping Couplings Recessed Screw w/Keyway, 2-1/4 inches, Black Oxide Steel ProductSiteLaunchDate : 2013-11-05T21:56:33.351Z Size : RNA6909 Style : Modern UnitCount : 1