Tornillos M2 con arandela Allen (DIN912) DIN 6900 Tornillos con arandela plana y elástica Acero Niquelado Tornillería Que es? DIN6900 M2 Screw DIN912 / ISO4762 hexagon socket screw with internal hex Washer 1 DIN6905 split lock washer similar to DIN128A Washer 2 DIN6902A flat washer similar to DIN125A / ISO10673N