At Hello, If the needle would not pick up the bobbin thread, the sewing machine timing is off. That is an adjustment a sewing machine technician can deal with. at I have damaged every needle I've acquired. I will double check for the hight as well as the burs, etcetera., http://sewing-classes-boulder62479.targetblogs.com/2300760/a-secret-weapon-for-colorado-sewing-machine-repair