Beware of Sailrite
I join the ranks of those who were pleased with Sailrite. We bought a machine and did a complete bimini. Once the machine got out of adjustment past their ability to fix over the phone. We sent it back and they tweeked it, including upgrading a part, for no cost.
I wonder if your experience is some unusual aberation. If the thread was at fault, I wonder what recourse you were looking for--a new sail?
Anyway, I am surprised.