A nut is a type of fasteners with a thread hole. Nuts are almost always with bolts to fasten a stack of parts together. According to material, we have carbon steel nuts, stainless steel nuts, and other material nuts. According to the standard, we have DIN, GB, ANSI, BSW, JIS standard. According to the function, we have hex nuts, flange nuts, nylon lock nuts and so on.

2H Hex nut

Standard: ASME/ANSI B18.2.6-2006
Size: 5/8”– 1”
Material: carbon steel
Surface treatment: natural color, galvanized, blackened, hot-dip galvanized