Description:Hexagon Socket Countersunk Head Cap Screws Type:DIN7991 Coating:Plain,Black,Zinc Yellow,HDG,Dacromet, etc Description:Hexagon Socket Countersunk Head Cap ScrewsType:DIN7991Size:M3~M20Class:Gr4.8~12.9Coating:Plain,Black,Zinc Yellow,HDG,Dacromet, etcPacking:Box packing,Poly bag packing,as per customer requirement Hexagon Socket Countersunk Head Cap Screws