The small, thin shims are used in demanding applications such as automotive, wind energy, and aerospace ST. PAUL, Minn., Sept. 4, 2024 /PRNewswire/ -- 3M™ Friction Shims are small, thin steel shims with a big impact. They can increase maximum load and peak torque in bolted connections without additional fasteners or redesigns.  3M is excited to announce that it has now made and sold more than 300 million Friction Shims worldwide.3M™ Friction Shims are small, thin steel shims with a big impact. They can incr ...