Hex Nuts are six sided hexagon nuts, used for tightening bolts and screws. Hex nuts are often found with hex headed bolts. However its use is not limited to only hex headed bolts. Hexagonal body enables easy wrenching while putting enough torque to the bolting joint. Hex nuts can be used with all kinds of bolts. Hexagon nuts, six sided nuts are other alias of hex nuts. Hex nutdimensions are defined in both metric and imperials sizes with unified national coarse pitch (UNC), fine pitch (UNF), fixed pitch (UN) and iso metric thread profile. These are produced across all material categories and astm specifications.Browse the page for information on hex nut manufacturino process, formino methoo, avaabe szes, suo-tyoes. thread tyoes. metric and imperial dimension standards, weight charts, torgue values, materia categories, grades and astm specifications.