... . 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 ... FROMM6-M244,Surface finish: a) White,yellow or black zinc, b)Black or gray phosphor ...