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: 1-1/8 in
Outside Diameter” 1.750 in
Width: 0.625 in
Screw Size: 5/16-18 x 3/8
Screw Material: Alloy Steel
