If you have a tap and die set, all you have to do is keep running taps through the receiver holes until you find the right size. The size/thread count will be marked on the tap. Just don't force it, or you may be re-threading the hole. I have used this method with success on several occasions.
__________________
'72 Blazer, 4WD, 350/4 spd. Affectionately known as "Da Beast"
'04 Silverado (new daily driver)
'00 Intrepid (wife's ride)
It's a BLAZER dude! No options, no emblems, no a/c, no fancy shmancy. It's a BLAZER.... 
|