size bolts to hold down bench seat??

[86chevyk20]

anyone know what are the sizes for the 4 bolts that hold down the bench seat??

tryed everybolt layin around in my shop and couldnt seem to find what fits.

 

[crazy4offroad]

I think they're 9/16", like body bolts.

 

[bucket]

The head size is 9/16, but IIRC the bolt size itself is 3/8.

 

[crazy4offroad]

And thread pitch I think is NC-16...

 

[HotRodPC]

Yes, it's a body bolt type thread. If you have any fender mount bolts, those will work fine.