[DeTomaso] Clutch Slave Bolt Sizes

[Garth Rodericks]

What size bolts secure the clutch slave to the bell housing?

There's the large bolt with the spacer that takes a 5/8" socket, but what are the other two bolts?
I thought they were 5/16" but they don't seem to want to thread in. Thought I'd better check with the list before wrenching them in tight and buggering up the aluminum threads on the bell housing.

Thanks!
Garth