The store will not work correctly when cookies are disabled.
JavaScript seems to be disabled in your browser.
For the best experience on our site, be sure to turn on Javascript in your browser.
Due to Microsoft's discontinuation of updates, including security, certain functionality such as checkout and CAD may not work for you. We recommend using Google Chrome, Microsoft Edge, Firefox, or Safari to ensure full functionality.Thank you - the Ruland team
Short Style Slit Couplings
Short style slit couplings are ideal for compact installations. They are a one-piece design made from 7075 aluminum for a long, zero-backlash life. The two sets of identical slits provides the best balance between zero backlash, torsional stiffness and low bearing load. Slit couplings can accommodate parallel misalignment, angular misalignment, and axial motion. Ruland slit couplings are RoHS3 and REACH compliant.
Products
Download CAD File:
RSS13-5/16\"-6MM-A
RSS13-5/16"-6MM-A
As low as
$60.54
$148.54
Ruland RSS13-5/16"-6MM-A, 0.313" x 6mm Short Slit Coupling, Aluminum, Set Screw Style, 0.787" (20.0mm) OD, 1.024" (26.0mm) length
Download CAD File:
RSS13-5/16\"-7MM-A
RSS13-5/16"-7MM-A
As low as
$60.54
$148.54
Ruland RSS13-5/16"-7MM-A, 0.313" x 7mm Short Slit Coupling, Aluminum, Set Screw Style, 0.787" (20.0mm) OD, 1.024" (26.0mm) length
Download CAD File:
RSS13-7MM-1/4\"-A
RSS13-7MM-1/4"-A
As low as
$60.54
$148.54
Ruland RSS13-7MM-1/4"-A, 7mm x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.787" (20.0mm) OD, 1.024" (26.0mm) length
Download CAD File:
RSS13-8MM-1/4\"-A
RSS13-8MM-1/4"-A
As low as
$60.54
$148.54
Ruland RSS13-8MM-1/4"-A, 8mm x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.787" (20.0mm) OD, 1.024" (26.0mm) length
Download CAD File:
RSS13-8MM-5/16\"-A
RSS13-8MM-5/16"-A
As low as
$60.54
$148.54
Ruland RSS13-8MM-5/16"-A, 8mm x 0.313" Short Slit Coupling, Aluminum, Set Screw Style, 0.787" (20.0mm) OD, 1.024" (26.0mm) length
Download CAD File:
RSS13-9MM-1/4\"-A
RSS13-9MM-1/4"-A
As low as
$60.54
$148.54
Ruland RSS13-9MM-1/4"-A, 9mm x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.787" (20.0mm) OD, 1.024" (26.0mm) length
Download CAD File:
RSS13-9MM-5/16\"-A
RSS13-9MM-5/16"-A
As low as
$60.54
$148.54
Ruland RSS13-9MM-5/16"-A, 9mm x 0.313" Short Slit Coupling, Aluminum, Set Screw Style, 0.787" (20.0mm) OD, 1.024" (26.0mm) length
Download CAD File:
RSS16-1/4\"-6MM-A
RSS16-1/4"-6MM-A
As low as
$62.70
$153.83
Ruland RSS16-1/4"-6MM-A, 0.250" x 6mm Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-10MM-1/4\"-A
RSS16-10MM-1/4"-A
As low as
$62.70
$153.83
Ruland RSS16-10MM-1/4"-A, 10mm x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-10MM-3/8\"-A
RSS16-10MM-3/8"-A
As low as
$62.70
$153.83
Ruland RSS16-10MM-3/8"-A, 10mm x 0.375" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-10MM-5/16\"-A
RSS16-10MM-5/16"-A
As low as
$62.70
$153.83
Ruland RSS16-10MM-5/16"-A, 10mm x 0.313" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-11MM-1/4\"-A
RSS16-11MM-1/4"-A
As low as
$62.70
$153.83
Ruland RSS16-11MM-1/4"-A, 11mm x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-11MM-3/8\"-A
RSS16-11MM-3/8"-A
As low as
$62.70
$153.83
Ruland RSS16-11MM-3/8"-A, 11mm x 0.375" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-11MM-5/16\"-A
RSS16-11MM-5/16"-A
As low as
$62.70
$153.83
Ruland RSS16-11MM-5/16"-A, 11mm x 0.313" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-12MM-1/4\"-A
RSS16-12MM-1/4"-A
As low as
$62.70
$153.83
Ruland RSS16-12MM-1/4"-A, 12mm x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-12MM-3/8\"-A
RSS16-12MM-3/8"-A
As low as
$62.70
$153.83
Ruland RSS16-12MM-3/8"-A, 12mm x 0.375" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-12MM-5/16\"-A
RSS16-12MM-5/16"-A
As low as
$62.70
$153.83
Ruland RSS16-12MM-5/16"-A, 12mm x 0.313" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-3/8\"-6MM-A
RSS16-3/8"-6MM-A
As low as
$62.70
$153.83
Ruland RSS16-3/8"-6MM-A, 0.375" x 6mm Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-3/8\"-7MM-A
RSS16-3/8"-7MM-A
As low as
$62.70
$153.83
Ruland RSS16-3/8"-7MM-A, 0.375" x 7mm Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-3/8\"-8MM-A
RSS16-3/8"-8MM-A
As low as
$62.70
$153.83
Ruland RSS16-3/8"-8MM-A, 0.375" x 8mm Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-3/8\"-9MM-A
RSS16-3/8"-9MM-A
As low as
$62.70
$153.83
Ruland RSS16-3/8"-9MM-A, 0.375" x 9mm Short Slit Coupling, Aluminum, Set Screw Style, 0.984" (25.0mm) OD, 1.016" (25.8mm) length
Download CAD File:
RSS16-4-4-A
RSS16-4-4-A
As low as
$62.70
$153.83
Ruland RSS16-4-4-A, 0.250" x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" OD, 1.016" length
Download CAD File:
RSS16-5-4-A
RSS16-5-4-A
As low as
$62.70
$153.83
Ruland RSS16-5-4-A, 0.313" x 0.250" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" OD, 1.016" length
Download CAD File:
RSS16-5-5-A
RSS16-5-5-A
As low as
$62.70
$153.83
Ruland RSS16-5-5-A, 0.313" x 0.313" Short Slit Coupling, Aluminum, Set Screw Style, 0.984" OD, 1.016" length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
RSS13-5/16"-6MM-A
0.3125 in
6 mm
0.846 in (21.5 mm)
Aluminum
0.787 in (20.0 mm)
20,000 RPM
RSS13-5/16"-7MM-A
0.3125 in
7 mm
0.846 in (21.5 mm)
Aluminum
0.787 in (20.0 mm)
20,000 RPM
RSS13-7MM-1/4"-A
7 mm
0.2500 in
0.846 in (21.5 mm)
Aluminum
0.787 in (20.0 mm)
20,000 RPM
RSS13-8MM-1/4"-A
8 mm
0.2500 in
0.846 in (21.5 mm)
Aluminum
0.787 in (20.0 mm)
20,000 RPM
RSS13-8MM-5/16"-A
8 mm
0.3125 in
0.846 in (21.5 mm)
Aluminum
0.787 in (20.0 mm)
20,000 RPM
RSS13-9MM-1/4"-A
9 mm
0.2500 in
0.846 in (21.5 mm)
Aluminum
0.787 in (20.0 mm)
20,000 RPM
RSS13-9MM-5/16"-A
9 mm
0.3125 in
0.846 in (21.5 mm)
Aluminum
0.787 in (20.0 mm)
20,000 RPM
RSS16-1/4"-6MM-A
0.2500 in
6 mm
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-10MM-1/4"-A
10 mm
0.2500 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-10MM-3/8"-A
10 mm
0.3750 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-10MM-5/16"-A
10 mm
0.3125 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-11MM-1/4"-A
11 mm
0.2500 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-11MM-3/8"-A
11 mm
0.3750 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-11MM-5/16"-A
11 mm
0.3125 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-12MM-1/4"-A
12 mm
0.2500 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-12MM-3/8"-A
12 mm
0.3750 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-12MM-5/16"-A
12 mm
0.3125 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-3/8"-6MM-A
0.3750 in
6 mm
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-3/8"-7MM-A
0.3750 in
7 mm
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-3/8"-8MM-A
0.3750 in
8 mm
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-3/8"-9MM-A
0.3750 in
9 mm
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-4-4-A
0.2500 in
0.2500 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-5-4-A
0.3125 in
0.2500 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
RSS16-5-5-A
0.3125 in
0.3125 in
1.016 in (25.8 mm)
Aluminum
0.984 in (25.0 mm)
15,000 RPM
© 2025 Ruland Manufacturing Co., Inc. All rights reserved
Top 
