I had posted in this and that, but wanted to add it here incase someone needed the info.
I am working on a quilt with metallic in both bottom and top, but was constantly breaking needles. Followed all advice but never fixed the problem. I could quilt for about an hour, then it would start up.
Someone suggested the titanium needles and that did the trick. I was able to quilt for about 6 hours yester day without changing the needle. Well I did have to change it once when I forgot that I had the single hole plate and changed settings to 1/4 ". But even then it didn't break, but ended up with a pretty good bend.
So these needles are most definately worth the 20 cents extra per needle. You find them at Superior THreads.
Cheryl