Rigid Shaft Coupling – Aluminum Coupler – 5×5 5×8 – 5mm 8mm Fixed Couplers are used to Connect Stepper Servo AC DC motors to Ball screw or Lead screw they are widely used to build CNC Router, CNC Plasma, CNC Mill and many automation machines. Widely used in hardware,molds, and the occasion of the mechanical transmission. Specification: Material: Aluminum Alloy Color: Blue Suitable For: connecting two axis with different diameters, can also be connected with a motor axis, or connecting shafts of different diameters. Between the transmission member can do both screw can do model remote control boat propeller shaft and the motor power. Top Thread Size: M4 Through Angle: 180 Degree Dimensions: 14 x 25mm/0.55 x 0.98″(Dia x L) Weight: 20g What you will receive: 2 x Coupling 1 x Allen key 8 x Grub screws
