3/4/5/6/7/8mm Shaft Brass Hexagonal Coupling Coupler Length 30mm Hex Copper RC Cars Wheel Tires Connector Robot Accessories(7mm 1pcs)

Description

D12L30 Brass Couplings
The extended hexagonal coupling can extend the transmission shaft, and the motor with the coupling can effectively extend the transmission distance. This coupling is often used to connect the reduction motor shaft and the hexagonal wheel, and can also be used to connect the motor shaft and other model accessories.
Shape parameters:
The total length of coupling is 30mm,
The length of cylinder is 24mm,
The outer diameter of the cylinder is 11.5mm,
The hexagonal side length is 7mm,
The diagonal distance is 13.6 mm,
The distance between opposite sides is 12mm,
Aperture parameters: there are four kinds of internal diameters of the cylinder: 3,4,5,6,7,8mm, which are respectively suitable for connecting shafts with diameters of 3,4,5,6,7,8mm;
Screw hole size: M4 screw for side fastening (with screw), M4 screw for fixing screw for hexagon central hole
Spot specification: 3mm 4mm 5mm 6mm 7mm 8mm
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