Its durable

The 1/4 x 2 3/8 Simpson Titen HD Countersunk Head Style Heavy-Duty Screw Anchor Type 316 Stainless Steel- Box (25) offers superior strength and long-term performance in corrosive environments

7/8-9 x 8 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/4-28 x 2 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (100)

It features a 5/16-in hex head for easy installation

5/8-11 x 7 1/2 A325 Type 1 Heavy Hex Bolt Plain - Bulk Keg (80) Star Flat Head Self Drilling Screw w/Wings 410 Stainless Strong-Shield Coated Its durableThis 5 8 11 x 7 1 2 A325 Type 1 Heavy Hex Bolt Plain is designed for heavy duty applications and compliant with ASTM standards, with a durable, load rated design to bear up to 125,000 psi of tension. Packaged in a bulk keg of 80 bolts.