Aluminium Rigid Shaft Coupling with 4-Screws & Allen-Key. Widely used in Blowers, 3D Printer, DIY Robots, CNC Machine, Stepper Motors etc.
Type: Rigid coupling, Material: Aluminium Alloy, Shaft Diameter (one side): 5mm ±0.1mm, Shaft Diameter (other side): 8mm ±0.1mm, Outer diameter: 14mm, Length: 25mm, Grub Screw (Set Screw): 4 x M4 Size, Color: Blue.

Aluminium Flexible Shaft Coupling with Screw for DC Motors, Generator, CNC Motors, 3D printers etc.
Flexible Couplings are made of machined aluminium and have a spiral cut that makes them slightly flexible so they can be fit to two shafts even if they are not perfectly co-linear.
Type: Helical coupling, Material: Aluminium, Shaft Diameter (one side): 3mm, Shaft Diameter (other side): 3mm, Outer diameter: 19mm, Length: 25mm, Grub Screw: 4.

Aluminium Flexible Shaft Coupling with Screw for CNC Motors, 3D printers etc.
Flexible Couplings are made of machined aluminium and have a spiral cut that makes them slightly flexible so they can be fit to two shafts even if they are not perfectly co-linear.
Type: Helical coupling, Material: Aluminium, Shaft Diameter (one side): 5mm, Shaft Diameter (other side): 4mm, Outer diameter: 19mm, Length: 25mm, Grub Screw: 4.

Aluminium Flexible Shaft Coupling with Screw for CNC Motors, 3D printers etc.
Flexible Couplings are made of machined aluminium and have a spiral cut that makes them slightly flexible so they can be fit to two shafts even if they are not perfectly co-linear.
Type: Helical coupling, Material: Aluminium, Shaft Diameter (one side): 6mm ±0.1mm, Shaft Diameter (other side): 4mm ±0.1mm, Outer diameter: 19mm, Length: 25mm, Grub Screw: 4.

Aluminium Flexible Shaft Coupling with Screw for CNC Motors, 3D printers etc.
Flexible Couplings are made of machined aluminium and have a spiral cut that makes them slightly flexible so they can be fit to two shafts even if they are not perfectly co-linear.
Type: Helical coupling, Material: Aluminium, Shaft Diameter (one side): 6mm ±0.1mm, Shaft Diameter (other side): 10mm ±0.1mm, Outer diameter: 19mm, Length: 25mm, Grub Screw: 4.