Engine cover bolts required

[JohnT]

I am in Australia and I haven't had any luck finding a supplier for ZINC or stainless M6 x 1.00p x 8mmAF bolts for all the engine covers on a DOHC, they need to range from 14mm to 70mm, but most bolt suppliers only have the industrial bolts with the 10mm head. Mine have been replaced with socket heads which aren't original on a 79 model. I know that original may be an option, but the price does get up there when you have got to get a full set. Any suggestions?

 

[brettp]

Ebay has them. But not sure how that works in Australia.
What are you using to keep the oil from exiting the bolt hole?