This is a set screw lock collar. It is for a 0.75 or 3/4 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.
This is a small tracked robot equipped with 42mm motors, a motor controller, and Spektrum remote control. Don't let its size fool you. This is a rugged little robot.
This robot uses custom length sides and 13 inch tires with IG52 82 RPM motors. We have inclued everything to make it ready to run including batteries, chargers, and a controller.