12mm Hex shaft adapter - 20mm long - 6mm shaft
This aluminium shaft adapter of 20 mm long converts a 6 mm diameter shaft to a 12 mm hex shaft (with a M4 thread in the center). This adapter is compatible with many common hobby RC wheels.
This product includes: two M4 screws used to secure the wheels to the adapters, four M3 set screws to secure the Hex adapters on the shaft (the 1.5 mm Allen key is used to secure the M3 screws on the shaft).
This adapter work pretty well with the 37D mm metal gearmotors (as shown in pictures).
For each order, you will receive two shaft adapter with screwing.