A4 hex nut DIN 934 (ISO 4032) is manufactured in accordance with the DIN 934 standard. Made of A4 acid-resistant stainless steel, it gives excellent corrosion resistance. The nut has a hexagonal shape and an internal thread structure that allows it to be screwed onto a corresponding external thread on a bolt or rod. The nut is used in a wide range of applications, such as construction, machining, the automotive industry, electronics and many other applications.