# Screw-jack body with Tr16×4 internal thread, Ø60 base, 50 high

> What is the body of a screw jack?

- Category: Hardware › Mechanism parts
- Kind: Modern device
- Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
- Page: https://xemstudio.com/objects/screw-jack-body-tr16x4/ · JSON: https://xemstudio.com/api/geometry?object=screw-jack-body-tr16x4 · Plain text: https://xemstudio.com/objects/screw-jack-body-tr16x4/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/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 60.0 | 60.0 | 50.0 |

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

## Notes

- Ø60 × 8 base, tapered column (Ø28 → Ø22) and Ø22 × 10 top, 50 mm high in all, with a Tr16×4 internal thread through its length (the exact complement of the screw's basic profile).
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| base | Ø60 × 8 mm |
| height | 50 mm |
| thread | Tr16×4 internal, 50 mm engaged |

## Where the files are

- Henry T. Brown (1868, public domain): [Five Hundred and Seven Mechanical Movements — scan on archive.org](https://archive.org/details/fivehundredseven00browiala) — web — Publisher's page; dimensions are facts
- 507movements.com: [Brown's movement No. 389: figure, his text and an animation](https://507movements.com/mm_389.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/screw-jack-mechanism/) — web — Publisher's page; dimensions are facts

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

Index: https://xemstudio.com/files/hardware/screw-jack-body-tr16x4/index.json

- screw-jack-body-tr16x4: [STEP](https://xemstudio.com/files/hardware/screw-jack-body-tr16x4/screw-jack-body-tr16x4.step) · [STL](https://xemstudio.com/files/hardware/screw-jack-body-tr16x4/screw-jack-body-tr16x4.stl) — body, axis Z, z 0..50

## Questions

**What is the body of a screw jack?**

Ø60 × 8 base, tapered column (Ø28 → Ø22) and Ø22 × 10 top, 50 mm high in all, with a Tr16×4 internal thread through its length (the exact complement of the screw's basic profile).

## Fits with

- [Screw jack, Tr16×4 (4 mm lift per turn)](https://xemstudio.com/objects/screw-jack-mechanism/)