# Hex nuts, M10 to M24 (ISO 4032 / DIN 934)

> What size is an M16 nut?

- Category: Hardware › Fasteners
- Kind: Standard part
- Basis: ISO 4032 style 1: width across flats s, height m
- Page: https://xemstudio.com/objects/hex-nuts-metric-m10-m24/ · JSON: https://xemstudio.com/api/geometry?object=hex-nuts-metric-m10-m24 · Plain text: https://xemstudio.com/objects/hex-nuts-metric-m10-m24/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- Threads are plain cylinders at the major diameter, as every thread on this site. The bore is the major diameter.

## Sizes

| thread | af_mm | corners_mm | height_mm |
|---|---|---|---|
| M10 | 16 | 18.48 | 8.4 |
| M12 | 18 | 20.78 | 10.8 |
| M14 | 21 | 24.25 | 12.8 |
| M16 | 24 | 27.71 | 14.8 |
| M20 | 30 | 34.64 | 18.0 |
| M24 | 36 | 41.57 | 21.5 |

## Where the files are

- ISO: [ISO 4032 Hexagon regular nuts (style 1)](https://www.iso.org/standard/55990.html) — standard — ISO; dimensions are facts (verify at link)

## Free STEP/STL (6 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/index.json

- nut-m10: [STEP](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m10.step) · [STL](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m10.stl) — M10 hex nut: 16 AF × 8.4
- nut-m12: [STEP](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m12.step) · [STL](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m12.stl) — M12 hex nut: 18 AF × 10.8
- nut-m14: [STEP](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m14.step) · [STL](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m14.stl) — M14 hex nut: 21 AF × 12.8
- nut-m16: [STEP](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m16.step) · [STL](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m16.stl) — M16 hex nut: 24 AF × 14.8
- nut-m20: [STEP](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m20.step) · [STL](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m20.stl) — M20 hex nut: 30 AF × 18.0
- nut-m24: [STEP](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m24.step) · [STL](https://xemstudio.com/files/hardware/hex-nuts-metric-m10-m24/nut-m24.stl) — M24 hex nut: 36 AF × 21.5

## Questions

**M16 nut?**

24 mm AF, 14.8 high.

## Fits with

- [Socket head cap screws, M10 to M24 (ISO 4762 / DIN 912)](https://xemstudio.com/objects/socket-head-cap-screws-metric-m10-m24/)
- [Hex head screws, M10 to M24 (ISO 4017 / DIN 933)](https://xemstudio.com/objects/hex-head-screws-metric-m10-m24/)
- [Flat washers, M10 to M24 (ISO 7089 / DIN 125-A)](https://xemstudio.com/objects/flat-washers-metric-m10-m24/)
- [Socket head cap screws, M2–M8 (ISO 4762 / DIN 912)](https://xemstudio.com/objects/socket-head-cap-screws-metric/)
- [Hex nuts, M2–M8 (ISO 4032)](https://xemstudio.com/objects/hex-nuts-metric/)