316 stainless steel has greater corrosion resistance than 18-8 as well as superior strength at high temperatures

7/8-9 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/8-11 x 9 Grade 5 Hex Cap Screw Zinc Plated

1-8 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

1-8 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

3/4-10 x 11 A307 Grade A Carriage Bolt Hot Dipped Galvanized 7/8-14 Grade 8 Hex Cap Screws Yellow Zinc Plated 316 stainless steel has greater3 4 10 x 11 A307 Grade A Carriage Bolt HDG . A307 Grade A Carriage Bolts are manufactured from low carbon steel to meet or exceed ASTM A307 Grade A. Material is manufactured with rolled threads. Lengths out to 6 inches will be fully threaded. Lengths over 6 to 12 inches will have 6 inches of thread. Zinc plated material will meet or exceed ASTM F1941. Hot Dip Galvanized material will meet or exceed ASTM A153. Typical hardness will range from HRB 69