Hardware size for receiver to frame?

[RDLightning01]

Does anybody know the hardware sizing for the receiver to frame, The 8 bolts and nuts i believe. I lost the factory hardware when i took it off and now want it back on to put the boat in the water.
Thanks

 

[SID297]

Mine are in a storage building somewhere, so I'm not positive. I think 1/2 inch bolts will work.

 

[JJ 10.88 Coyote]

Mine are in a storage building somewhere, so I'm not positive. I think 1/2 inch bolts will work.

Sorry for the OT, been trying to get in touch with you, please contact me when you can.

Thanks,

JJ