Specification Brand : Ruland BulletPoint1 : Ruland oldham couplings have a zero-backlash balanced design for reduced vibration at speeds up to 4,500 RPM. BulletPoint2 : Can accommodate high amounts of parallel misalignment (up to 10% of the hub OD). Acts as a mechanical fuse stopping power transmission during a torque overload. BulletPoint3 : User can combine clamp or set screw hub with inch, metric, keyed, or keyless bore for a high level of customization. Proprietary hub machining process for smooth interaction between the hub and disk allowing for significantly longer life BulletPoint4 : Made from high strength 2024 aluminum with a black anodized finish for light weight and low inertia. BulletPoint5 : Hardware exceeds DIN 912 12.9 standards for maximum torque capabilities. Ruland oldham couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant. ExternallyAssignedProductIdentifier1 : 634529062296 ExternallyAssignedProductIdentifier2 : 0634529062296 ExternallyAssignedProductIdentifier3 : 00634529062296 ItemName : Ruland MOST25-12-A Oldham Coupling Hub, Set Screw Style, Black Anodized Aluminum, 12mm Bore, 25.4mm OD, 28.6mm Length ItemPackageDimensions_Height : 1.016 centimeters ItemPackageDimensions_Length : 0.127 centimeters ItemPackageDimensions_Width : 0.127 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : clamp-on-couplings Manufacturer : Ruland Material : aluminum ModelNumber : MOST25-12-A NumberOfItems : 1 PartNumber : MOST25-12-A ProductSiteLaunchDate : 2014-09-06T09:09:43.313Z UnitCount : 1 UnspscCode : 31163000