I don't recall inside diameter of snap, but perhaps a pop rivet would work? Maybe smaller size rivet? I understand your concern. I used sheetmetal screw and no problems after 350 hours use.
I used to travel for business to La Chaux-de-Fonds. Have wonderful memories of Swiss...
Hinckley, Ohio (1OA2)
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
RV-12 E-LSA #120058 AWC July 2012 N633CM
RV-12 Bought Flying Oct 2015 with 48TT - Hobbs now 459
LSRM-A Certificate 2016
Special Thanks... EJ Trucks - Crew Chief A-4 Skyhawk
MJ Stricker (Father & CFI) - 1st Lt. Captain B-17H
Last edited by Piper J3 : 10-13-2018 at 05:54 AM.