A staple in any robotics team's shop - the 1/2" rounded hex shaft. This shaft allows you to drive hubs, pulleys and other 1/2" hex broached items while also fitting into a 13.75mm ID bearing with ease. This shaft comes in lengths of 36 inches so you can cut them down to the size you need.
Available in both 7075 (anodized black) or 6061 (not anodized) variants.
Includes a hole sized for #10 taps.