Cracked Transmission

[f0urtyfive]

I bought a new Transmission because my 5th gear went out and when I unwrapped it from the packaging I noticed that on the top left bolt hole it was cracked and when I touched it a little chunk fell off... I called DHL shipping and they said it will take 30 days to resolve the issue... My car has already been down 2 weeks and my parents/girlfriend are tired of hauling me around so I am wondering if its still possible to bolt the tranny up without that 1 bolt?

I would post a pic but I cannot find the cord for my digital camera but I will try to find it ASAP .. Also would it be possible to weld or use something to stick that piece on their??