Hex Head Screw-Is:1364/2002 (Pt-2)/Iso 4 [Hex Head Screw-Is:1364/2002 (Pt-2)/Iso 4017-M16X40Mm-P.C.-8.8 -Zinc Plated.From Rdso/Clw/Cee Approved Sources Only Manufacturer S Name And Property Class Must Be Embossed/Indented On Hardwares.]