This is a set screw lock collar. It is for a 0.50 or 1/2 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 set screw lock collar. It is for a 0.375 or 3/8 inch shaft. They are steel and zinc coated.
With it's wide hub and finished bore, this ten teeth steel roller chain sprocket is ready to mount to a shaft.
Ultrasonic Module HC-SR04 Distance Measuring Transducer Sensor.
Used for testing, TF02 Single Point Ranging LiDAR, connectors have been changed for testing.