Aurifil Cotton 40wt Large Spools at Linda’s Electric Quilters feature this all-time favorite quilting thread in the generous 3,280-yard large spool format. Aurifil 40wt is beloved by quilters worldwide for its exceptional strength, beautiful sheen, and vibrant color range — and the large spool means fewer changes and more time doing what you love.
Why choose Aurifil 40wt thread for quilting?
Aurifil 40wt is the most popular weight for machine quilting because it creates a beautifully visible stitch with excellent definition without adding bulk. Its long-staple Egyptian cotton construction produces minimal lint and runs smoothly at the high speeds of domestic and longarm machines.
How much thread is on a 3,280-yard Aurifil spool?
At 3,280 yards, the large Aurifil spool holds roughly 6-7 times more thread than a standard small spool. This makes it ideal for longarm quilters and domestic machine quilters who regularly work through large amounts of thread.
Is Aurifil 40wt thread compatible with longarm machines?
Yes — Aurifil 40wt is widely used on longarm quilting machines. Its consistent quality, smooth running, and minimal lint make it a trusted choice for both home longarm quilters and professional studios.
What colors are available in the Aurifil 40wt Large Spools?
Aurifil offers their 40wt thread in hundreds of colors across the full spectrum. Browse the collection to find your current favorite — from bright whites and rich neutrals to vibrant statement colors.






