... . 3)SURFACE:ZINC PLATED WHITE/ YELLOW /BL 1,Standard:Steel Lock Hexagonal Nut with Nylon Insert, Square Weld Nut (DIN928) Square ... NUTS,HIGH-STRENGTH NUTS,FLANGE NUTS,WHEEL NUTS,CAP NUTS,LOCK NUTS,SQUARE NUTS,DIN970,DIN971,ISO4033,ISO4032,EN4033,EN4032,SIZE ... zinc, b)Black or gray phosphor, c)Dakromet, d)Ruspert, e)Geomet, f)Magni,g) Black Oxide,h) Nickel5,Packing:Cartons ...