... ,B7M,B8,B8M,L7 Finish:Passivated,Black Oxide,Zinc,H.D.G,Dacromet,Mechanical Galvanized Hex flange screw DIN6921Size:1/4"-3 ... ,8,B7M,B8,B8M,L7Finish:Passivated,Black Oxide,Zinc,H.D.G,Dacromet,Mechanical GalvanizedMaterial:Stainless Steel,Carbon Steel,Alloy Steel1) Various ...