Most of the tie down eye bolts have a shoulder on them. If someone runs the tie down bolt all the way up it needs clearance, otherwise it will catch and damage the skin. If this is not of concern you can drill out just to clear the threaded portion of the eye bolt itself.
RV-9A: Under Construction
RV-10: N959RV Completed 12/29/2013 SOLD 08/23/2016
"Donor Exempt" but donated through Dec. 2018