3M™ Friction Shims are metal foils with a coating of electroless nickel embedded with diamond particles. The diamonds indent into the metal mating surface and create a microscale interlock, all while remaining thin enough to fit within close engineering tolerances. Create possibilities for lightweight, compact designs while increasing maximum load and peak torque with 3M™ Friction Shims.In automotive engineering, wind energy, and many other industries, there is a general trend towards compact, lightweight designs with maximum power density and high reliability. In order to transfer high loads in friction joints such as shaft-collar or bolt connections, the size or number of components typically needs to be increased. 3M Friction Shims offer a proven and cost-effective alternative; by increasing the coefficient of friction between components, they allow transmission of up to 4x higher torques without requiring modification to the joint design.
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Other Details
Allows same bolt connection to transmit significantly higher torque loads
Exhibits good corrosion resistance
Helps increase potential load and peak torque in bolt connections
more compact joint designs
Simple drop-in solution typically requires no modifications to component design