Compared to set-screw couplings, clamp-on couplings provide superior holding power and torque capacity without damaging your shaft. Slide them onto your shaft and tighten the four socket-head cap screws to secure.

Black Oxide Steel—Couplings are Grade 1215 steel. Cap screws are alloy steel. Type 303 Stainless Steel—Couplings are Type 303 stainless steel for excellent corrosion resistance. Cap screws are 18-8 stainless steel.