Description

Material: Aluminum
Bore Diameter D1: 5MM
Bore Diameter D2: 8MM
Length: 25MM
M: M3 Set Screws 4 Nos. per coupler.
Outer Diameter OD: 19MM
Qty: 1 Flexible coupling per package
Also known as : Beam coupling,
helical coupling, Flexible coupling.

Aluminum Helical Shaft coupling is commonly used in 3D Printers, CNC machines and other DIY projects to couple Stepper motors and 8MM rods / threaded rods / precision trapezoidal rods. The coupler takes care of small mis-alignments, deviations and twists in the system. Our coupling comes with 4 grub screws installed. One package consists of 2 couplers. Please note that the bore diameter of this product is 5MM and 8MM. See specifications below for more details.