Shaft Coupling

Shaft Coupling

Couplings are simply used to enable a motor to turn a lead screw, or other type of shaft. There are two types of couplings, rigid (one piece), and flexible (an assembly of pieces). Flexible couplings are composed of two hubs and a central spider. One hub is fastened to a motor shaft with a set screw. The other hub is fastened to the lead screw end. The rubber spider enables the two hubs to connect and turn while still allowing for a bit of flexibility in alignment and angle. Below, you will find rigid couplings and coupling sets that include two hubs and one spider for common uses, and you can purchase coupling hubs and spiders separately.

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4mm x 7mm Aluminum Rigid Shaft Coupler
Precision Aluminum Rigid Shaft Coupler 4MM x 7MM  4 Set screws Outside Diameter: 14mm  ..
$3.99
4mm x 8mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 4MM x 8MM 4 grub screws. Outside Dimensions 25mm x 18mm..
$7.49
4mm x 8mm Aluminum Rigid Shaft Coupling
Precision Aluminum Rigid Shaft Coupler 4MM x 8MM 4 Set screws Outside Diameter: 14mm  Length..
$3.99
5/8" x 16mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 15.875mm x 16mm Jaw Spyder Clamp Type Shaft input Diamet..
$13.99
5/8" x 5/8" Flexible Jaw Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5/8" x 5/8"  jaw Spyder Clamp Type Shaft input Diam..
$39.99
5/8" x 5/8" Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 15.875mm x 15.875mm Jaw Spyder Clamp Type Shaft input Di..
$13.99
5mm x 10mm Flexible Jaw Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5MM x 10MM Clamp Type Outside Dimensions 20mm x 30mm ..
$9.99
5mm x 10mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 10mm Jaw Spyder Clamp Type Shaft input Diameter 1:..
$13.99
5mm x 11mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 11mm Jaw Spyder Clamp Type Shaft input Diameter 1:..
$13.99
5mm x 12.7mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 12.7mm Jaw Spyder Clamp Type Shaft input Diameter ..
$13.99
5mm x 12mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 12mm Jaw Spyder Clamp Type Shaft input Diameter 1:..
$13.99
5mm x 15.875mm 5/8" Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 15.875mm Jaw Spyder Clamp Type Shaft input Diamete..
$13.99
5mm x 15mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 15mm Jaw Spyder Clamp Type Shaft input Diameter 1:..
$13.99
5mm x 16mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 16mm Jaw Spyder Clamp Type Shaft input Diameter 1:..
$13.99
5mm x 5mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 5MM x 5MM 4 grub screws. Outside Dimensions 25mm x 18mm..
$7.49
5mm x 5mm Aluminum Rigid Shaft Coupling
Precision Aluminum Rigid Shaft Coupler 5MM x 5MM 4 Set screws Outside Diameter: 14mm  Length..
$3.99
5mm x 5mm Flexible Jaw Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5MM x 5MM Clamp Type Outside Dimensions 20mm x 30mm ..
$9.99
5mm x 5mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 5mm Jaw Spyder Clamp Type Shaft input Diameter 1:&..
$13.99
5mm x 6.35mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 5MM x 6.35MM 4 grub screws. Outside Dimensions 25mm x 1..
$7.49
5mm x 6.35mm Aluminum Rigid Clamp Coupler
Precision Aluminum Rigid Shaft Coupler 5MM x 6.35MM  Clamp type, 2 hex screws Outside Diamete..
$7.99
5mm x 6.35mm Aluminum Rigid Shaft Coupler
Precision Aluminum Rigid Shaft Coupler 5MM x 6.35MM  4 Set screws Outside Diameter: 14mm ..
$3.99
5mm x 6.35mm Flexible Jaw Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5MM x 5MM Clamp Type Outside Dimensions 20mm x 30mm ..
$9.99
5mm x 6.35mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 6.35mm Jaw Spyder Clamp Type Shaft input Diameter ..
$13.99
5mm x 6mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 5MM x 6MM 4 grub screws. Outside Dimensions 25mm x 18mm..
$7.49
5mm x 6mm Aluminum Rigid Shaft Coupler
Precision Aluminum Rigid Shaft Coupler 5MM x 6MM  4 Set screws Outside Diameter: 14mm  ..
$3.99
5mm x 6mm Flexible Jaw Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5MM x 6MM Clamp Type Outside Dimensions 20mm x 30mm ..
$9.99
5mm x 6mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 6mm Jaw Spyder Clamp Type Shaft input Diameter 1:&..
$13.99
5mm x 7mm Aluminum Rigid Shaft Coupler
Precision Aluminum Rigid Shaft Coupler 5MM x 7MM  4 Set screws Outside Diameter: 14mm  ..
$3.99
5mm x 8mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 5MM x 8MM 4 grub screws. Outside Dimensions 25mm x 18mm..
$7.49
5mm x 8mm Aluminum Rigid Clamp Coupler
Precision Aluminum Rigid Shaft Coupler 5MM x 8MM  Clamp type, 2 hex screws Outside Diameter: ..
$7.99
5mm x 8mm Aluminum Rigid Shaft Coupling
Precision Aluminum Rigid Shaft Coupler 5MM x 8MM 4 Set screws Outside Diameter: 14mm  Length..
$3.99
5mm x 8mm Flexible Jaw Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5MM x 8MM Clamp Type Outside Dimensions 20mm x 30mm ..
$9.99
5mm x 8mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 8mm Jaw Spyder Clamp Type Shaft input Diameter 1:&..
$13.99
5mm x 9.53mm 3/8" Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 5mm x 9.52mm Jaw Spyder Clamp Type Shaft input Diameter ..
$13.99
6.35m x 12mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 6.35MM x 12MM Clamp Type with extra 2 grub screws. Outs..
$9.99
6.35mm x 10mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 6.35MM x 10MM 4 grub screws. Outside Dimensions 25mm x ..
$7.49
6.35mm x 10mm Flexible Jaw Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35MM x 10MM Clamp Type Outside Dimensions 20mm x 30mm..
$9.99
6.35mm x 10mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35mm x 10mm Jaw Spyder Clamp Type Shaft input Diameter..
$13.99
6.35mm x 11mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35mm x 11mm Jaw Spyder Clamp Type Shaft input Diameter..
$13.99
6.35mm x 12.7mm 1/2"x 1/4" Aluminum Flexible Shaft Ballscrew Clamp Coupler
Precision Aluminum Flexible Shaft Coupler 6.35MM x 12.7MM Clamp Type with extra 2 grub screws. Ou..
$9.99
6.35mm x 12.7mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 6.35MM x 12.7MM / 1.4" x 1/2" Clamp Type with extra 2 gru..
$9.99
6.35mm x 12.7mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35mm x 12.7mm Jaw Spyder Clamp Type Shaft input Diamet..
$13.99
6.35mm x 12mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 6.35MM x 12MM Clamp Type with extra 2 grub screws. Outs..
$9.99
6.35mm x 12mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35mm x 12mm Jaw Spyder Clamp Type Shaft input Diameter..
$13.99
6.35mm x 15.875mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35mm x 15.875mm Jaw Spyder Clamp Type Shaft input Diam..
$13.99
6.35mm x 15mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35mm x 15mm Jaw Spyder Clamp Type Shaft input Diameter..
$13.99
6.35mm x 16mm Flexible Jaw Spider  Shaft Coupler
Precision Aluminum Flexible Shaft Coupler 6.35mm x 16mm Jaw Spyder Clamp Type Shaft input Diameter..
$13.99
6.35mm x 3mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 6.35MM x 3MM 4 grub screws. Outside Dimensions 25mm x 1..
$7.49
6.35mm x 4mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 6.35MM x 4MM 4 grub screws. Outside Dimensions 25mm x 1..
$7.49
6.35mm x 6.35mm Aluminum Flexible Shaft Ballscrew Coupler Coupling
Precision Aluminum Flexible Shaft Coupler 6.35MM x 6.35MM 4 grub screws. Outside Dimensions 25mm ..
$7.49