located and set main pivot points . Reamed through all with 1/4 reamer and fastened with NAS shear bolts per call out . The main pivot bolt AN8 -30 - needed to have the material removed from the head to prevent it from crushing the main spar shear web - to thick needed to be under 1/4 " or less than the thickness of the straps the casting bolts too . Nuts in picture are for temp use only AN castles and pins to be applied on final installation.