Set Screw Collars are the oldest type of shaft collar. These units function by gouging the set screw into the surface of a soft shaft. They are a low-cost answer when frequent adjustment is not a consideration.
Standard Material: Steel-Zinc Plated
Bore Size: 1-1/4 in
Outside Diameter” 2.000 in
Width: 0.688 in
Screw Size: 3/8-16 x 3/8
Screw Material: Alloy Steel