# Tightener slide 60 × 20 × 10 with Ø8 stub axle, two Ø6 rod bores and a pin tab

> What does the tightener slide do?

- 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/tightener-slide-8mm-stub/ · JSON: https://xemstudio.com/api/geometry?object=tightener-slide-8mm-stub · Plain text: https://xemstudio.com/objects/tightener-slide-8mm-stub/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 |
|---|---|---|
| 60.0 | 46.0 | 31.0 |

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

## Notes

- Block that slides on two Ø6 rods (bores along its length, 44 mm apart) and carries a pulley on a Ø8 × 21 stub axle; a tab below has a Ø3 hole 30 mm from the axle for the hanging weight's pin.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| block | 60 × 20 × 10 mm |
| stub axle | Ø8 × 21 |
| rod bores | 2 × Ø6, 44 mm apart |
| weight pin | Ø3, 30 mm below the axle |

## 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. 23: figure, his text and an animation](https://507movements.com/mm_023.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/weighted-belt-tightener-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/tightener-slide-8mm-stub/index.json · license: https://xemstudio.com/files/hardware/tightener-slide-8mm-stub/LICENSE.md

- tightener-slide-8mm-stub: [STEP](https://xemstudio.com/files/hardware/tightener-slide-8mm-stub/tightener-slide-8mm-stub.step) · [STL](https://xemstudio.com/files/hardware/tightener-slide-8mm-stub/tightener-slide-8mm-stub.stl) — slide, axle on Z at the origin, rods along Y

## Questions

**What does the tightener slide do?**

Block that slides on two Ø6 rods (bores along its length, 44 mm apart) and carries a pulley on a Ø8 × 21 stub axle; a tab below has a Ø3 hole 30 mm from the axle for the hanging weight's pin.

## Fits with

- [Weighted belt tightener: pulley on a slide pulled by a hanging weight](https://xemstudio.com/objects/weighted-belt-tightener-mechanism/)