Carriage Bolt Zinc Plated Bolts 307A Steel – 5/16″-18 x 12″ PT – Qty-100
Grade/Material: Zinc Plated 307A Grade A Steel. Carriage Bolts in Zinc Plated 307A Grade A Steel. Other: Carriage Bolts in this selection have up to 6″ of thread. Carriage bolts over 6″ in length will have a shoulder beneath the head.