# [Aurifil Cotton 40wt large spool](https://threadcabin.com/materials/products/0e0ac2a1-5674-4c80-964a-b1ed51eb6a76/aurifil-cotton-40wt-large-spool)

> Aurifil Cotton 40wt large spool is a thread made from cotton, supplied as 1000 m.

- Canonical page: https://threadcabin.com/materials/products/0e0ac2a1-5674-4c80-964a-b1ed51eb6a76/aurifil-cotton-40wt-large-spool
- Language: en
- Published: 2026-08-30T18:17:16.9478694+00:00
- Updated: 2026-08-30T18:17:16.9478694+00:00
- Material form: Thread
- Brand: Aurifil
- Fibre: 100% Cotton
- Length / weight: 1000 m / 30 g

## Compare the exact variant

Use the manufacturer code, composition and canonical dimensions below to compare this product. Colour chips are screen approximations, not measured colour values.

## Test before committing

Test the thread with the actual needle, fabric and tension; package size does not determine a successful seam or stitch.

## Starting point

Weight, ply and fibre influence coverage and abrasion; verify the stitch on the project stack.

## Useful for

Machine sewing, quilting, decorative stitching or handwork appropriate to this thread weight.

## Care

Check the current manufacturer label before washing, pressing or otherwise finishing the material.

## Sources and provenance

- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — behaviour, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — care, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — colors, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — composition, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — construction, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — identity, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — length, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — mass, Checked 2026-08-28T12:00:00.0000000+00:00
- [Aurifil — thread specifications](https://www.aurifil.com/wp-content/uploads/2020/05/Aurifil-Thread-Specs.pdf) — putUp, Checked 2026-08-29T12:00:00.0000000+00:00