Ron
If it happened a couple weeks ago and you have been driving it, well, it's too late now.
Just a thought, how about replacing the set screws with wing bolts?
https://www.amazon.com/Thumb-Screws-1-4-20/s?ie=UTF8&page=1&rh=n%3A16410621%2Cp_11%3A1%2F4%22-20

See ya Friday and you have my number if you have any issues.

Don

1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!