With a 1/2-13 x 2 1/2 thread size

these heavy hex bolts are corrosion-resistant and easy to install

1 1/2-6 x 4 1/2 Socket Cap Screw Alloy

Each box contains 510 screws

5/8-11 x 4 1/2 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized Domestic USA - Bulk Keg (300) #10 6-Lobe Flat-Head Simpson Deck-Drive DWP Wood Screws 305 Stainless Steel With a 1/2-13 x 2The 5 8 11 x 4 1 2 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized Domestic USA Bulk Keg (300) is ideal for industrial, commercial, and residential projects. This high grade bolt is made from domestic USA steel and features a hot dipped galvanized finish for corrosion resistance. 300 bolts are included in a single Keg.