These 12" long stainless steel shafts have a diameter of 1/2". These shafts are solid, which makes them an ideal choice for axles. These shafts have a Rockwell Hardness rating of 8
Note: For a drive-shaft, check out d-shafts instead.
This skill concerns mechanical and robotics knowledge. You may need to know how mechanical parts interact, how motors work, or how to use motor drivers and controllers.
Skill Level: Noob - You will be required to put together a robotics kit. Necessary parts are included and steps will be easy to follow. You also might encounter basic robotics components like bearings, mounts, or other hardware and need a general idea of how it goes together.
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Based on 1 ratings:
This shaft has been 100% compatible with all the 1/2" diameter actobotics parts I have purchased (hub mounts, hub clamps, channels). The 1/2" diameter size is good because it fits through the large hole in the actobotics channels. I have been using it as a drive shaft with no problem with up to 15 foot pounds of torque at 100 rpm.