1-8 x 6 Socket Cap Screw 18-8 (A2) Stainless Steel

These heavy-duty bolts boast a high tensile strength of at least 120

9 x 4 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - Bulk Pail (1000)

in which case toggle bolts make the perfect solutions

5/8-18 x 3 Socket Cap Screw Alloy

3/8-16 x 2 1/2 Grade 5 Plow Bolt No. 3 Head Fully Threaded Zinc Plated - Bulk (500) LedgerLOK Ledger Board Fasteners 1-8 x 6 Socket CapSecure your projects with the 3 8 16 x 2 1 2 Grade 5 Plow Bolt. Its No. 3 head and fully threaded design provide maximum strength and stability. With a zinc plated finish, it is corrosion resistant for long lasting durability. This bulk pack comes with 500 bolts for all your construction needs.