Set Screw Shaft Collars are the most cost-effective shaft collar design. They are available in zinc plated, black oxide, stainless steel, aluminum and bare steel. Lightweight styles are available where an application has a space constraint. If additional load capacity is required, Set Screw Collars are possible with a second screw at 90°. Set Screw Collars can be ordered as a special with a keyway for keyed shafts.