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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.
One-Piece Clamping Shaft Coupling with Keyway
Unit of Measure
Items One-Piece Clamping Shaft Coupling with Keyway
CSISCC-025-025-S
One Piece Clamp Shaft Couplings - T303 Stainless Steel
List Price $57.09
One-Piece Clamping Shaft Coupling with Keyway
CSISCC-037-025-S
One Piece Clamp Shaft Couplings - T303 Stainless Steel
List Price $67.93
One-Piece Clamping Shaft Coupling with Keyway
CSISCC-037-037-S
One Piece Clamp Shaft Couplings - T303 Stainless Steel
List Price $62.57
One-Piece Clamping Shaft Coupling with Keyway
CSISCC-050-037-S
One Piece Clamp Shaft Couplings - T303 Stainless Steel
List Price $82.20
One-Piece Clamping Shaft Coupling with Keyway
CSISCC-050-050-S
One Piece Clamp Shaft Couplings - T303 Stainless Steel
List Price $76.68
Shipping Length N/A 4 Inch
Bore N/A 1/4 in N/A 3/8 in N/A 3/8 in N/A 1/2 in N/A 1/2 in
2nd Bore N/A 1/4 in N/A 1/4 in N/A 3/8 in N/A 3/8 in N/A 1/2 in
OD N/A 11/16 in N/A 0.8750 in N/A 0.8750 in N/A 1 1/8 in N/A 1 1/8 in
Clamp Screw N/A 4-40 N/A 6-32 N/A 6-32 N/A 8-32 N/A 8-32
Length N/A 1.1250 in N/A 1.375 in N/A 1.375 in N/A 1.7500 in N/A 1.7500 in