# Shaft Ø8 × 100 with a 2 × 1 keyway (60 mm)

> What is a keyed shaft?

- 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/keyed-shaft-8x100-key2/ · JSON: https://xemstudio.com/api/geometry?object=keyed-shaft-8x100-key2 · Plain text: https://xemstudio.com/objects/keyed-shaft-8x100-key2/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 |
|---|---|---|
| 8.0 | 8.0 | 100.0 |

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

## Notes

- Ø8 × 100 shaft with a 2 mm wide, 1 mm deep keyway over its last 60 mm for a 2 × 2 feather key, on which a clutch half can slide but not turn.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| shaft | Ø8 × 100 |
| keyway | 2 × 1 × 60 |

## 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. 47: figure, his text and an animation](https://507movements.com/mm_047.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/pin-clutch-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/keyed-shaft-8x100-key2/index.json · license: https://xemstudio.com/files/hardware/keyed-shaft-8x100-key2/LICENSE.md

- keyed-shaft-8x100-key2: [STEP](https://xemstudio.com/files/hardware/keyed-shaft-8x100-key2/keyed-shaft-8x100-key2.step) · [STL](https://xemstudio.com/files/hardware/keyed-shaft-8x100-key2/keyed-shaft-8x100-key2.stl) — shaft, axis Z, z 0..100, keyway on +Y

## Questions

**What is a keyed shaft?**

Ø8 × 100 shaft with a 2 mm wide, 1 mm deep keyway over its last 60 mm for a 2 × 2 feather key, on which a clutch half can slide but not turn.

## Fits with

- [Pin (stud) clutch: studs on a sliding disc enter holes in a fixed disc](https://xemstudio.com/objects/pin-clutch-mechanism/)
- [Cone friction clutch on a feathered shaft](https://xemstudio.com/objects/cone-friction-clutch-mechanism/)