304, wanda aka fi amfani da shi a cikin ƙarfe mai jure zafi da bakin ƙarfe, yana ba da kyakkyawan juriya ga tsatsa ga ƙwayoyin cuta da yawa da kuma yanayin masana'antu.

Bututun Bakin Karfe 304 yana da kyau sosai kuma ana iya yin walda cikin sauƙi ta kowace hanya ta gama gari. An yi masa takardar sheda ta 304/304L biyu.