MK319BS rivets are 7/64" requiring drilling a #34 or #33 hole - usually after dimpling with a #40 simple die. I also had domes on mine. I've tried everything under the sun without success to eliminate them.
RV-14A Builder - kit #136
N314KC - First flight Mar 8, 2017, Phase I compl Apr 3, 2017
Sport Pilot (weight-shift control) - Airborne XT912
Dues paid 12/2016
Last edited by KeithB : 01-26-2017 at 02:24 PM.