# Traxxas 3933 screws, M4 × 16 mm

> What size are Traxxas 3933 screws?

- Category: RC cars › Bearings & hardware
- Kind: Modern device
- Basis: Maker's parts list (Traxxas)
- Page: https://xemstudio.com/objects/traxxas-3933-screws-4x16mm-button-head-machine-hex-drive/ · JSON: https://xemstudio.com/api/geometry?object=traxxas-3933-screws-4x16mm-button-head-machine-hex-drive · Plain text: https://xemstudio.com/objects/traxxas-3933-screws-4x16mm-button-head-machine-hex-drive/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 7.61 | 7.61 | 18.21 |

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

## Notes

- Traxxas part 3933: Screws, 4x16mm button-head machine (hex drive) (6). Size exactly as printed in Traxxas's parts list; the file is built from that size only.
- M4 × 16 mm, shank as a plain Ø4 cylinder, ISO 7380 button head Ø7.6 × 2.2 mm.
- True size, no printing tolerance added.
- Traxxas prints the thread and length; the head is drawn to the ISO 7380 button head standard (from the catalog's screw page) because the maker gives no head size.

## Sizes

| dimension | value |
|---|---|
| part number | Traxxas 3933 |
| name (as printed) | Screws, 4x16mm button-head machine (hex drive) (6) |
| size (as printed) | 4x16mm button-head machine (hex drive) |
| thread | M4 |
| length | 16 mm |
| head (drawn) | ISO 7380 button head: Ø7.6 × 2.2 mm — head size not printed by Traxxas |
| used in | Traxxas TRX-4 2021 Ford Bronco (1/10 crawler, 92076-4) |

## Where the files are

- Traxxas (sheet hosted by Monsterhopups): [TRX-4 Unassembled Kit (Model 82016-4) parts list, REV. 230615 0246, p. 3](https://www.monsterhopups.de/media/image/storage/opc/anleitung_traxxas/82016-4_parts.pdf) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/traxxas-3933-screws-4x16mm-button-head-machine-hex-drive/index.json

- traxxas-3933-screws-4x16mm-button-head-machine-hex-drive-envelope: [STEP](https://xemstudio.com/files/hardware/traxxas-3933-screws-4x16mm-button-head-machine-hex-drive/traxxas-3933-screws-4x16mm-button-head-machine-hex-drive-envelope.step) · [STL](https://xemstudio.com/files/hardware/traxxas-3933-screws-4x16mm-button-head-machine-hex-drive/traxxas-3933-screws-4x16mm-button-head-machine-hex-drive-envelope.stl) — M4 × 16 mm, shank as a plain Ø4 cylinder, ISO 7380 button head Ø7.6 × 2.2 mm

## Questions

**What size are Traxxas 3933 screws?**

M4 × 16 mm

## Fits with

- [Traxxas TRX-4 kit (82016-4) parts list](https://xemstudio.com/objects/traxxas-trx-4-2021-ford-bronco-parts-list/)
- [Traxxas TRX-4 2021 Ford Bronco (1/10 crawler, 92076-4)](https://xemstudio.com/objects/traxxas-trx-4-2021-ford-bronco/)
- [Socket head cap screws, M2–M8 (ISO 4762 / DIN 912)](https://xemstudio.com/objects/socket-head-cap-screws-metric/)
- [Button head socket screws, M2–M8 (ISO 7380)](https://xemstudio.com/objects/button-head-screws-metric/)
- [Countersunk socket screws, M2–M8 (ISO 10642 / DIN 7991)](https://xemstudio.com/objects/countersunk-screws-metric/)