Specification Brand : Ruland BulletPoint1 : Six beam couplings have higher torque and torsional stiffness than four and single beam couplings for use in light duty power transmission applications such as connecting a motor to a lead screw BulletPoint2 : Zero-backlash and a balanced design for reduced vibration at speeds up to 6,000 RPM BulletPoint3 : Manufactured from 303 stainless steel for increased torque capacity BulletPoint4 : Nypatch anti-vibration hardware prevents galling, maintains high holding power, and allows for multiple screw insertions.Hardware exceeds DIN 912 12.9 standards for maximum torque capabilities BulletPoint5 : Ruland beam couplings are carefully made from select North American bar stock in our Marlborough, Massachusetts factory and are RoHS3 and REACH compliant ExternallyAssignedProductIdentifier1 : 634529043370 ExternallyAssignedProductIdentifier2 : 0634529043370 ExternallyAssignedProductIdentifier3 : 00634529007556 ItemName : Ruland FCMR25-12-11-SS 303 Stainless Steel Beam Coupling, 6-Beam Clamp Style, 12 mm x 11 mm Bores, 25.4 mm OD, 38.1 mm Length ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 3 inches ItemPackageQuantity : 1 ItemTypeKeyword : beam-couplings Manufacturer : Ruland Manufacturing Co., Inc. Material : 303 Stainless Steel MaximumRotationalSpeed : 6000 rpm ModelNumber : FCMR25-12-11-SS NumberOfItems : 1 PartNumber : FCMR25-12-11-SS ProductSiteLaunchDate : 2015-10-06T08:00:01.000Z StreetDate : 2017-03-12T00:00:01Z Style : Modern