I have used these to attach the tarpaulin to the threaded inserts through brass bushings and they provide a secure yet easy reconnection.
π© 5-Pack of M8x60mm Stainless Steel External Hex Expansion Bolts by Yasorn
10 Review
Highly π Sought-After Fastener: Connector 014973445713
9 Review
πͺ Strong and Versatile: National Hardware N222 406 Square Bolts for Secure Fastening
7 Review
π© M6 1.0 Stainless Steel Flanged Hexagon Flange
8 Review