Product Info Catalog Hardware Builders Hardware Connection & Wire Goods Hook Bolt, Zinc, 5/16 x 5-In. Hook Bolt, Zinc, 5/16 x 5-In. Request a Quote UPC: 38613124127 SKU: 661389 Model Number: N221-689 5/16" x 5", Zinc, Hook Bolt, 100 LB Load Capacity.