M14 is one of the standard coarse-thread sizes for all-metal lock nuts under ISO 7042 / DIN 980. The sections below reproduce the dimensional row, list the matching tools and hole sizes, and summarize where this size is normally specified.
M14 Dimensional Row (ISO 7042 / DIN 980)
| Size | Pitch (mm) | Width across flats s (mm) | Nut height m (mm) | Reference standard | Notes |
|---|---|---|---|---|---|
| M14 | 2.0 | 21.0 | 15.0 | ISO 7042 / DIN 980 | Deformed-top locking, high-temperature capable |
Spanner & Drive for M14 All-Metal Lock Nuts
Drive geometry for M14 All-Metal Lock Nuts is given by the row above; match the tool to the listed values.
Common Applications for M14 All-Metal Lock Nuts
M14 All-Metal Lock Nuts are commonly specified for medium-duty structural joints and motor / chassis mounting.
Mating Parts for M14
Pair M14 with the matching M14 bolt or screw, plus a M14 flat washer where required to distribute load on softer materials.