1/4"-20 X 1/2" Carriage Bolts, Round Head, Square Neck, Full Thread, Grade 5 Steel, Zinc

Also known as coach bolts, are typically used to fasten metal to wood.The square neck under the head locks the bolt into place.The heads of grade 5 steel fasteners are typically marked with 3 raised radial lines.Grade 5 steel fasteners have a minimum...