Hexagon Washer Head Self Tapping Screw, Zinc Plated ---Rawl Material: C1022 or C1018---Sizes: ... Zinc(white, blue&yellow), Nickel, darcrow, Ruspert and others.Screw 1)Standard:DIN,ANSI 2)Material:Steel 3)Diameter:3 ... 4#~3/8# 4)Length:4~100mm,1/2"~4"Screw 1)Standard: DIN, ANSI2)Material: Carbon Steel3)Diameter: ... 4#~3/8# 4)Length:4~100mm,1/2"~4"Screw 1)Standard: DIN, ANSI2)Material: Carbon Steel3)Diameter: ...