Originally Posted by jcrow

That is what I have in my sewing machine right now for piecing. For 2 1/2 years I had the worst problems with thread breakage with my new machine. Finally I went to my dealer and he said I was using 40 wt. thread and needed 90 needle. I tried it and it worked. No thread breakage again. You need to match you thread and needle to each other. Go to www.superiorthreads.com and go to their University and read about size of needle and weight of thread. You'll be glad you did.