Yellow Zinc #8 x 2-1/2" Square Drive Bugle Head Coarse thread screws Product image is a likeness. Actual screw is not shown. Some screw lengths beyond 1-5/8" may follow the industry standard 2/3 partial thread length rule. Contact us if Full Thread is required for lengths beyond 1-5/8". Features:Low corrosion resistance Details:Head Type: BugleDrive Type: #2 SquareThread Diameter: #8Thread Type: CoarseLength: 2-1/2"Point: SharpQuantity: 2,500 pcsWeight: 22 pounds [approx.] Material Application:Exterior wood screw for outdoor applications. Attaches wood to wood. Specifications:Meets ASTM A 510 for carbon steel manufacturing24/hr. salt spray resistanceYellow Zinc Yellow zinc is a plating that is applied electrically to fasteners that prevents oxidation of steel by forming a protective barrier. Not recommended for ACQ Treated lumber.