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Beam Couplings: Six-Beam F-Series, Inch to Metric
Clamp style F-Series six beam couplings (also referred to as helical couplings) with inch to metric bores. Bore sizes from 0.188" to 3/4" and 5mm to 20mm.
Features Aluminum
Torsionally stiff with dampening
Lightweight for low inertia
Temperature range: -40°F to 225°F
Stainless Steel
High torque and torsional stiffness
Corrosion resistant
Temperature range: -40°F to 350°F
Zero backlash, Constant velocity
RoHS2 and REACH Compliant
Maximum speed: 6,000 RPM
Bore tolerance:
+.001 in / -.000 in
+.025mm/–.000mm
Temperature range: -40°F to 225°F
How to Specify Part numbers are in the following format with numbers representing sixteenths of an inch and millimeters:
Products
Download CAD File:
FSR10-1/4\"-5MM-A
FSR10-1/4"-5MM-A
As low as
$33.50
$49.13
Ruland FSR10-1/4"-5MM-A, 1/4" x 5mm Six Beam Coupling, Aluminum, Set Screw Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FSR10-1/4\"-6MM-A
FSR10-1/4"-6MM-A
As low as
$33.50
$49.13
Ruland FSR10-1/4"-6MM-A, 1/4" x 6mm Six Beam Coupling, Aluminum, Set Screw Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FSR10-5MM-3/16\"-A
FSR10-5MM-3/16"-A
As low as
$33.50
$49.13
Ruland FSR10-5MM-3/16"-A, 5mm x 3/16" Six Beam Coupling, Aluminum, Set Screw Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FSR10-6MM-3/16\"-A
FSR10-6MM-3/16"-A
As low as
$33.50
$49.13
Ruland FSR10-6MM-3/16"-A, 6mm x 3/16" Six Beam Coupling, Aluminum, Set Screw Style, 0.625" (15.9mm) OD, 1.000" (25.4mm) Length
Download CAD File:
FSR12-1/4\"-5MM-A
FSR12-1/4"-5MM-A
As low as
$31.66
$46.44
Ruland FSR12-1/4"-5MM-A, 1/4" x 5mm Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-1/4\"-6MM-A
FSR12-1/4"-6MM-A
As low as
$31.66
$46.44
Ruland FSR12-1/4"-6MM-A, 1/4" x 6mm Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-5/16\"-5MM-A
FSR12-5/16"-5MM-A
As low as
$31.66
$46.44
Ruland FSR12-5/16"-5MM-A, 5/16" x 5mm Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-5/16\"-6MM-A
FSR12-5/16"-6MM-A
As low as
$31.66
$46.44
Ruland FSR12-5/16"-6MM-A, 5/16" x 6mm Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-5/16\"-7MM-A
FSR12-5/16"-7MM-A
As low as
$31.66
$46.44
Ruland FSR12-5/16"-7MM-A, 5/16" x 7mm Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-5MM-3/16\"-A
FSR12-5MM-3/16"-A
As low as
$31.66
$46.44
Ruland FSR12-5MM-3/16"-A, 5mm x 3/16" Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-6MM-3/16\"-A
FSR12-6MM-3/16"-A
As low as
$31.66
$46.44
Ruland FSR12-6MM-3/16"-A, 6mm x 3/16" Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-7MM-1/4\"-A
FSR12-7MM-1/4"-A
As low as
$31.66
$46.44
Ruland FSR12-7MM-1/4"-A, 7mm x 1/4" Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-7MM-3/16\"-A
FSR12-7MM-3/16"-A
As low as
$31.66
$46.44
Ruland FSR12-7MM-3/16"-A, 7mm x 3/16" Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-8MM-1/4\"-A
FSR12-8MM-1/4"-A
As low as
$31.66
$46.44
Ruland FSR12-8MM-1/4"-A, 8mm x 1/4" Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-8MM-3/16\"-A
FSR12-8MM-3/16"-A
As low as
$31.66
$46.44
Ruland FSR12-8MM-3/16"-A, 8mm x 3/16" Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR12-8MM-5/16\"-A
FSR12-8MM-5/16"-A
As low as
$31.66
$46.44
Ruland FSR12-8MM-5/16"-A, 8mm x 5/16" Six Beam Coupling, Aluminum, Set Screw Style, 0.750" (19.1mm) OD, 1.250" (31.8mm) Length
Download CAD File:
FSR16-1/4\"-6MM-A
FSR16-1/4"-6MM-A
As low as
$38.62
$56.64
Ruland FSR16-1/4"-6MM-A, 1/4" x 6mm Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Download CAD File:
FSR16-10MM-1/4\"-A
FSR16-10MM-1/4"-A
As low as
$38.62
$56.64
Ruland FSR16-10MM-1/4"-A, 10mm x 1/4" Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Download CAD File:
FSR16-10MM-3/8\"-A
FSR16-10MM-3/8"-A
As low as
$38.62
$56.64
Ruland FSR16-10MM-3/8"-A, 10mm x 3/8" Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Download CAD File:
FSR16-10MM-5/16\"-A
FSR16-10MM-5/16"-A
As low as
$38.62
$56.64
Ruland FSR16-10MM-5/16"-A, 10mm x 5/16" Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Download CAD File:
FSR16-11MM-1/4\"-A
FSR16-11MM-1/4"-A
As low as
$38.62
$56.64
Ruland FSR16-11MM-1/4"-A, 11mm x 1/4" Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Download CAD File:
FSR16-11MM-3/8\"-A
FSR16-11MM-3/8"-A
As low as
$38.62
$56.64
Ruland FSR16-11MM-3/8"-A, 11mm x 3/8" Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Download CAD File:
FSR16-11MM-5/16\"-A
FSR16-11MM-5/16"-A
As low as
$38.62
$56.64
Ruland FSR16-11MM-5/16"-A, 11mm x 5/16" Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Download CAD File:
FSR16-12MM-1/4\"-A
FSR16-12MM-1/4"-A
As low as
$38.62
$56.64
Ruland FSR16-12MM-1/4"-A, 12mm x 1/4" Six Beam Coupling, Aluminum, Set Screw Style, 1.000" (25.4mm) OD, 1.500" (38.1mm) Length
Part number
Bore (B1)
Small Bore (B2)
Length (L)
Material
Outer Diameter (OD)
Maximum Speed
FSR10-1/4"-5MM-A
0.2500 in
5 mm
1.000 in (25.4 mm)
Aluminum
0.625 in (15.9 mm)
6,000 RPM
FSR10-1/4"-6MM-A
0.2500 in
6 mm
1.000 in (25.4 mm)
Aluminum
0.625 in (15.9 mm)
6,000 RPM
FSR10-5MM-3/16"-A
5 mm
0.1875 in
1.000 in (25.4 mm)
Aluminum
0.625 in (15.9 mm)
6,000 RPM
FSR10-6MM-3/16"-A
6 mm
0.1875 in
1.000 in (25.4 mm)
Aluminum
0.625 in (15.9 mm)
6,000 RPM
FSR12-1/4"-5MM-A
0.2500 in
5 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-1/4"-6MM-A
0.2500 in
6 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-5/16"-5MM-A
0.3125 in
5 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-5/16"-6MM-A
0.3125 in
6 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-5/16"-7MM-A
0.3125 in
7 mm
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-5MM-3/16"-A
5 mm
0.1875 in
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-6MM-3/16"-A
6 mm
0.1875 in
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-7MM-1/4"-A
7 mm
0.2500 in
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-7MM-3/16"-A
7 mm
0.1875 in
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-8MM-1/4"-A
8 mm
0.2500 in
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-8MM-3/16"-A
8 mm
0.1875 in
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR12-8MM-5/16"-A
8 mm
0.3125 in
1.250 in (31.8 mm)
Aluminum
0.750 in (19.1 mm)
6,000 RPM
FSR16-1/4"-6MM-A
0.2500 in
6 mm
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
FSR16-10MM-1/4"-A
10 mm
0.2500 in
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
FSR16-10MM-3/8"-A
10 mm
0.3750 in
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
FSR16-10MM-5/16"-A
10 mm
0.3125 in
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
FSR16-11MM-1/4"-A
11 mm
0.2500 in
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
FSR16-11MM-3/8"-A
11 mm
0.3750 in
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
FSR16-11MM-5/16"-A
11 mm
0.3125 in
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
FSR16-12MM-1/4"-A
12 mm
0.2500 in
1.500 in (38.1 mm)
Aluminum
1.000 in (25.4 mm)
6,000 RPM
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