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 : 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. BulletPoint3 : Made from 303 stainless steel with hardware of like material for high corrosion resistance. BulletPoint4 : Machined to a fine burr-free finish. BulletPoint5 : Hardware exceeds DIN 912 12.9 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. ExternallyAssignedProductIdentifier1 : 634529013175 ExternallyAssignedProductIdentifier2 : 0634529013175 ExternallyAssignedProductIdentifier3 : 00634529018101 ItemName : Ruland MCLC-30-30-SS One-Piece Clamping Rigid Coupling with Keyway, Stainless Steel, Metric, 30mm Bore A Diameter, 30mm Bore B Diameter, 53mm OD, 83mm Length, 8mm x 8mm Keyway Width ItemPackageDimensions_Height : 3.302 centimeters ItemPackageDimensions_Length : 8.382 centimeters ItemPackageDimensions_Width : 6.858 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : beam-couplings Manufacturer : Ruland Manufacturing Material : Stainless Steel ModelNumber : MCLC-30-30-SS NumberOfItems : 1 PartNumber : MCLC-30-30-SS ProductSiteLaunchDate : 2011-10-28T16:36:48.654Z Size : 30 millimeters SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1