Milspec sent my all SS1/4 turn camloc fasteners,and receptacles and they arrived today. So, I installed them by first drilling with a proper drill jig making sure to keep the rivet holes in line because the fasteners radial position and alignment depends on this. Then Countersunk for soft rivets which I then used to install receptacles to the backside of the cowling stiffeners. Drilled and reamed to 3/8 to accept the fastener.
