These are the best screws on the market. Larger diameter bolts may need to be pre-tested to limit splitting, but bolts are much better than the old zinc plated ones. I would use nuts and bolts but they work great for deck books.
πͺ Strong and Versatile: National Hardware N222 406 Square Bolts for Secure Fastening
7 Review
π© 5-Pack of M8x60mm Stainless Steel External Hex Expansion Bolts by Yasorn
10 Review
π Carriage Prime Line Products GD52103
6 Review
π© M6 1.0 Stainless Steel Flanged Hexagon Flange
8 Review