5021 Light Grey | 40wt Cotton Thread - 1094 yds Aurifil $15.00 Default Title - $15.00 Quantity This product is currently sold out. Please fill in the form below if you'd like to be notified when it becomes available. Aurifil’s 100% Cotton 40wt thread. Cotton Makò 40 is a favorite thread for machine quilting and all purpose sewing. A little heavier than 50 wt to show off the quilting stitches. Slightly heavier than 50wt, this thread is perfect for general machine quilting. Cotton Makò 40 has wonderful results with patchwork piecing creations, is really recommended for domestic and longarm quilting machines, and also suitable for garment construction. Green plastic thread holder.