cross framing pan head self tapping screw material: 1022A Diameter: 4.2mm(#8) cross truss washer head self drilling screwmaterial: 1022A medium carbon steel, hardenfine thread for general purpose interior wood applications Diameter: 4.2mm(#8)Length: 1/2" to 2-1/5"(13mm to 55mm)Coating: Black Phosphated,Zinc coated

cross truss washer head self drilling screws