This is a set screw lock collar. It is for a 0.625 or 5/8 inch shaft. They are steel and zinc coated. Perfect for keeping your shafts or bearings in place.
Shaft Collars (sometimes called lock collars) are easy to install; the collar provides an easy way to keep your shaft from sliding or your flanged bearing from coming out.
3D Scanning Range Finder. The distance is measured by steering the laser beam vertically and horizontally.
These are 6" inch diameter Mecanum wheels with custom shafts, lock collars, and bearings.