Specification Brand : Ruland BulletPoint1 : Precision honed bores for superior fit and torque transmission. Does not mar the shaft. Keyways are used for additional torque transmission capabilities and to prevent slippage on the shaft. BulletPoint2 : Two-piece styles have opposing hardware for a balanced design. BulletPoint3 : Proprietary Nypatch anti-vibration hardware prevents galling, maintains high holding power, and allows for multiple screw insertions. Nypatch significantly reduces installation time as no additional screw treatment is needed prior to use. BulletPoint4 : Made from 303 stainless steel with hardware of like material for high corrosion resistance. Machined to a fine burr free finish. BulletPoint5 : Hardware exceeds ANSI standards for maximum torque capabilities. Ruland rigid couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant. ConnectorType : Coupling ExteriorFinish : Aluminum ExternallyAssignedProductIdentifier1 : 634529023150 ExternallyAssignedProductIdentifier2 : 0634529023150 ExternallyAssignedProductIdentifier3 : 00634529040898 ItemName : Ruland SPC-8-8-SS Two-Piece Clamping Rigid Coupling with Keyway, Stainless Steel, 1/2" Bore A Diameter, 1/2" Bore B Diameter, 1-1/8" OD, 1-3/4" Length, 1/8" x 1/8" Keyway Width ItemPackageDimensions_Height : 2.286 centimeters ItemPackageDimensions_Length : 5.08 centimeters ItemPackageDimensions_Width : 2.286 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : beam-couplings Manufacturer : Ruland Manufacturing Material : Stainless Steel ModelNumber : SPC-8-8-SS NumberOfItems : 1 NumberOfPieces : 1 PartNumber : SPC-8-8-SS ProductSiteLaunchDate : 2011-10-28T15:40:31.597Z Size : 1/2 inches Style : Modern UnitCount : 1