# Hammer head 24 × 24 × 40 with a 12 × 8 helve socket

> What is this hammer head?

- 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/hammer-head-24x24x40/ · JSON: https://xemstudio.com/api/geometry?object=hammer-head-24x24x40 · Plain text: https://xemstudio.com/objects/hammer-head-24x24x40/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files Xem Studio Design License (free to use and sell from, not to redistribute as files: https://xemstudio.com/license/)
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 24.0 | 24.0 | 40.0 |

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

## Notes

- 24 × 24 × 40 block with a 12 × 8 mm through socket near its top for the helve (line-on-line), the face 32 mm below the helve's underside.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| head | 24 × 24 × 40 mm |
| socket | 12 × 8 mm |

## 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. 353: figure, his text and an animation](https://507movements.com/mm_353.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/trip-hammer-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, Xem Studio Design License, Xem Studio)

Index: https://xemstudio.com/files/hardware/hammer-head-24x24x40/index.json · license: https://xemstudio.com/files/hardware/hammer-head-24x24x40/LICENSE.md

- hammer-head-24x24x40: [STEP](https://xemstudio.com/files/hardware/hammer-head-24x24x40/hammer-head-24x24x40.step) · [STL](https://xemstudio.com/files/hardware/hammer-head-24x24x40/hammer-head-24x24x40.stl) — head, socket z 0..8, face at z −32

## Questions

**What is this hammer head?**

24 × 24 × 40 block with a 12 × 8 mm through socket near its top for the helve (line-on-line), the face 32 mm below the helve's underside.

## Fits with

- [Trip hammer: wiper cam pressing the tail of a first-order helve](https://xemstudio.com/objects/trip-hammer-mechanism/)