Dartbloke. You can get the Titanium screw in or knurl head studs from a place out in California called Ti64. They have them in both 1/2 X 20 or 5/8 X 20 sizes.
Just look up TI64 on the internet. They have a website. Pretty fast service.

Last edited by fullmetaljacket; 09/15/14 11:41 PM.