Hex nut (DIN 934)

Hex nut (DIN 934)

DIN 934 hex nut is a standard six-sided nut manufactured in accordance with the German DIN 934 specification.

It is used together with bolts to fasten components and is typically tightened using a wrench or spanner.

The DIN 934 standard specifies requirements for hex nuts ranging from M1 to M160, and is classified into:

Product Grade A (up to M16)
Product Grade B (above M16)