Description: Full thread type A indented hex washer head lag screw;

                   Full thread type A 3/8 head height indented hex washer head lag screw.

Material: C1018, C1022 carbon steel.

Sizes: 5/16-9X1-5/8 to 5/16-9X3.

Head height: Normal 0.200-0.230";    High head 0.315-0.325"

Surface:  zinc plated.