all kinds of wood screws Product name:Wood Screw(2).Standard:DIN,ANSI(3).Size:M5-M20;3/16"-3/4" (4).Material:carbon steel(5).Length:20-300mm,1"-12"(6).Grade:4.8 6.8 8.8 (7).Finish:Plain,zinc,black,nickel,H.D.G,brass plating,silver plating(8).Certifications:ISO 9001:2000 hex head wood screw