QWinOut 5PCS Motor Hex Coupling Hexagonal Brass Connector Connecting Shaft Copper Connector for Motor Wheel DIY Robot Car Chassis

parameter:
Product material: brass, pure copper

 Specification: 2mm 3.17mm 3mm 4mm 5mm 6mm 7mm 8mm

 Hexagon side length: 7mm,

Diagonal distance: 13.6mm,

Opposite side to opposite side: 12mm,

Total height of coupling: 18mm,

Cylinder height: 12mm,

Outer diameter of cylindrical part: 11.5mm,

Internal diameter of cylindrical part: 3.17, 3, 4, 5, 6, 7, 8mm. Eight kinds.

Suitable for connection diameter: 3.17, 3, 4, 5, 6, 7, 8mm. Eight kinds diameter shafts.

The screws for side fastening are M4 screws, and the fixing screws for the center hole of the hexagonal surface are M4 screws.