Although we primarily sell this 5/8" x 10" jackshaft with 3/16" keyway for go-karts and mini bikes, its universal design means that it may be compatible with numerous other applications. The milled 3/16" keyway slot runs the entire length of the shaft. The ends are not machined or threaded.

Specifications
Diameter: 5/8"
Length: 10"
Keyway slot: 3/16"
Weight: 0.80 lbs.