The Fastenal # for allen head replacement screws is 1139939.

http://www.fastenal.com/web/products...=1&searchBox=1

These are the phillips head screws that everyone has a problem with when repacking their front bearings. The head strips out.

I got a box of 100. The next 15 people who send me a PM can get a free set.

BTW, 8-32x3/8 look like they work but they don't. They'll start to thread in but bind up before you can get them tight.