Axle shaft bolt. Left.10.50" & 11.X AXLES. Right.10.50" & 11.X AXLES. A threaded rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Axle Shaft to it's mounting point. Axle Hub Mounting Bolt. Mounting. Drive. Included with: Axle housing.