Hillman 1 2 in x 3 1 2 in Hot Dipped Galvanized Steel Carriage Bolt, 25 Pack Wood Fasteners A: Typically no—the round head EB1795AXLS A: Typically no—the round head is designed to provide a semi flush finish without a washer Lay it in a straight grid for classic serenity or rotate into a diamond pattern for a luxe washerless finish for a neat appearance Specification Details Diameter 1 2 in Length 3 1 2 in Material Steel Finish Hot Dipped Galvanized Thread Type Coarse Unit of Measurement SAE Packaging Type Boxed Number in Package 25 Head Type Carriage (dome head with square neck) Head Diameter Pitch 1 2 in Each Weight 5