The rigid coupling is 90 degree fixing design, and it is fixed by four machine screws.
Widely used in motor, hardware, mould, and mechanical transmission occasions.

Specification:
Material: 45 steel
Colour: Silver
Length: 22mm
Outer diameter: 14mm,16mm
Type: 4mm to 4mm,6mm to 6mm,6mm to 8mm,8mm to 8mm,8mm to 10mm(optional)
Screw Hole Diameter: 4mm

Package Includes:
Coupling x 1
Screw x 4
Wrench x 1

Note:
1. The real colour of the item may be slightly different from the pictures shown on the website because of many factors such as the brightness of your monitor and light brightness.
2. Please allow slight manual measurement deviation for the data.