5/8 Shaft for Dustin Motor - 10 inches
These shafts, specially designed for use in the Dustin 2 motor, are 5/8", 1018 steel shafts are 6 inches long and come standard with a 3/16" keyway the full length.

DeWalt Shaft Spindle Assembly for 24V Motors
Shaft spindle made just for the DeWalt 24V Hammerdrill motor.

DeWalt Shaft Spindle Assembly for 18V Motors
Shaft spindle made just for the DeWalt 18V motor.

3mm Assorted Shaft Set - Tamiya 70105
This is a great selection of Tamiya 3mm shafts, round, threaded and hex.