Dacromet Screw 1.Standard:DIN,ANSI,BSW,JSB,ISO 2.Material:carbon ... ,stainless steel 3.Finish:Plain,ZP,YZP,Black,HDG,PTFE Dacromet Screw1.Standard:DIN,ANSI,BSW,JSB,ISO 2.Material:carbon ... steel,brass3.Surface treatment:Plain,ZP,YZP,Black,HDG,Nickel,Dacromet,PTFE MaterialCarbon Steel,35#,45#,40Cr,35CrMo,Stainless Steel etcSizeM1 ...