battery holdown bolt

[85 B Regal]

So I got a battery holdown off ebay, but I need to know wht size bolt it uses. Idk if its the same as my regal, but I need the bolt and c-clip.

 

[FE3X CLONE]

So I got a battery holdown off ebay, but I need to know wht size bolt it uses. Idk if its the
same as my regal, but I need the bolt and c-clip.

They sell the clips and bolts at any parts store. You can pretty much get whatever size you want.

The stock bolt is likely something in the range of an 8mm.