# Edge runner (chaser) Ø50 × 16, Ø5 bore

> What is an edge runner?

- 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/edge-runner-d50x16-b5/ · JSON: https://xemstudio.com/api/geometry?object=edge-runner-d50x16-b5 · Plain text: https://xemstudio.com/objects/edge-runner-d50x16-b5/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 |
|---|---|---|
| 50.0 | 50.0 | 16.0 |

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

## Notes

- Ø50 × 16 wheel with a Ø5 bore that rolls on its rim round a pan, crushing what lies in its path: two on one axle make the mill.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| diameter | 50 mm |
| width | 16 mm |
| bore | Ø5 |

## 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. 375: figure, his text and an animation](https://507movements.com/mm_375.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/edge-runner-mill-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/edge-runner-d50x16-b5/index.json · license: https://xemstudio.com/files/hardware/edge-runner-d50x16-b5/LICENSE.md

- edge-runner-d50x16-b5: [STEP](https://xemstudio.com/files/hardware/edge-runner-d50x16-b5/edge-runner-d50x16-b5.step) · [STL](https://xemstudio.com/files/hardware/edge-runner-d50x16-b5/edge-runner-d50x16-b5.stl) — runner, axis Z, z 0..16

## Questions

**What is an edge runner?**

Ø50 × 16 wheel with a Ø5 bore that rolls on its rim round a pan, crushing what lies in its path: two on one axle make the mill.

## Fits with

- [Edge-runner (chaser) mill: two rollers on one axle rolling round a pan](https://xemstudio.com/objects/edge-runner-mill-mechanism/)