1/4-28 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450)

I recommend the 5/8-11 x 2 Grade 5 Plow Bolt No

050 Button Head Aluminun 5056 Rivet / Steel Mandrel - Package (500)The Button Head Aluminum 5056 Rivet with a Steel Mandrel is designed for high-strength fastening in a variety of applications

7/16-14 x 5 Grade 5 Hex Cap Screw Plain Domestic USA (25)

For exceptional strength and tension in wood fastening

1/2-13 x 1 1/2 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA - Bulk (500) Simpson ET-3G™ Epoxy Adhesive 1/4-28 x 4 1/2 Grade1 2 13 x 1 1 2 Socket Head Cap Screws Thermal Black Oxide Alloy Steel Domestic USA Bulk (500) Socket Cap Screws with Thermal Black Oxide finish are made in the USA from durable alloy steel for superior strength and reliability. Featuring a hex drive and corrosion resistant coating, ideal for high performance and structural applications.