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Shop › Thread › So Fine! #40 ›

  So Fine #40 Polyester Quilting Thread by Superior Therads

So Fine #40 is polyester quilting thread with a 1-inch color-change interval.  It's sheen and strength make this quilting thread ideal for any quilting application. The nature of So Fine thread is different from any other polyester thread.  The smooth, lint-free processing it goes through is a patented and protected process.  This makes So Fine #40 thread the only thread like it in the world.  Guaranteed.
30 beautiful variegated colors. 1,650 yd. cones.
Exact same thread type as our smooth, lint-free So Fine #50 thread but in a medium weight #40/3-ply size.

So Fine #40 Options
So Fine #40 1,650 yd. cones

 

 

Home Machines

Longarm Machines
Recommended Needle Topstitch #90/14 #18 (MR 4.0)
Recommended Top Tension 3.5-4.5 loose on top and bobbin
Suggested Bobbin Thread Bottom Line or So Fine #50 Bottom Line or So Fine #50