Now that I think of it, I had this problem on an upper mount. I welded a bolt on to provide new threads then added a spacer to get over the head of the welded bolt.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.