National catalog model No. V858 carriage bolt, black. Manufactured from steel, zinc plated with satin black black painted finish. Designed for use with National's No. 858 heavy-duty ornamental strap hinge and No. 859 heavy-duty ornamental T-hinge. 3 bolts per package, includes 3 nuts and 3 washers.
No. N179168: Diameter: 5/16 In., Length: 3 In., Finish: Zinc, Material: Steel, Nut(s) Included: 3, Pkg Qty: 3, Package Type: Clamshell
National Carriage Bolt
MODEL: N179168 [5/16X3 BLK CARRIAGE BOLT]