I decided to go with set screws, I have three equally spaced radially onto drive shaft. Using cone point set screws and will make small divits into shaft for added security. The shaft is just rotational force, retaining rings internal and external lock bearings to not allow wheel hub assembly to slide off.
She finally is showing signs of life, a temporary heartbeat from dewalt but some forward progress,,,,,,,,
http://youtu.be/zE10GtlxjUo