A307 Grade A Carriage Bolts are manufactured from low carbon steel to meet or exceed ASTM A307 Grade A

3/4-10 x 7 A307 Grade A Carriage Bolt Zinc Plated

3/4-10 x 8 A307 Grade A Carriage Bolt Zinc Plated

Lengths over 6 to 12 inches will have 6 inches of thread

Lengths out to 6 inches will be fully threaded

3/4-10 x 8 A307 Grade A Carriage Bolt Zinc Plated 3/4-10 A307 Grade A Carriage Bolts Zinc Plated A307 Grade A Carriage Bolts3 4 10 x 8 A307 Grade A Carriage Bolt Zinc Plated . 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