# Vertical spindle Ø12 × 100 with a Ø5 cross hole 35 mm up

> What is the spindle of an edge-runner mill?

- 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-spindle-d12x100/ · JSON: https://xemstudio.com/api/geometry?object=edge-runner-spindle-d12x100 · Plain text: https://xemstudio.com/objects/edge-runner-spindle-d12x100/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 |
|---|---|---|
| 12.0 | 12.0 | 100.0 |

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

## Notes

- Ø12 × 100 vertical spindle with a Ø5 cross hole 25 mm above the pan floor (the runners' radius): the horizontal axle passes through it, so turning the spindle carries the runners round the pan.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| spindle | Ø12 × 100 mm |
| cross hole | Ø5, 25 mm above the floor |

## 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-spindle-d12x100/index.json · license: https://xemstudio.com/files/hardware/edge-runner-spindle-d12x100/LICENSE.md

- edge-runner-spindle-d12x100: [STEP](https://xemstudio.com/files/hardware/edge-runner-spindle-d12x100/edge-runner-spindle-d12x100.step) · [STL](https://xemstudio.com/files/hardware/edge-runner-spindle-d12x100/edge-runner-spindle-d12x100.stl) — spindle, axis Z, z −10..90, cross hole along X at z 25

## Questions

**What is the spindle of an edge-runner mill?**

Ø12 × 100 vertical spindle with a Ø5 cross hole 25 mm above the pan floor (the runners' radius): the horizontal axle passes through it, so turning the spindle carries the runners round the pan.

## Fits with

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