Screw - Needle Bar Clamp (Screw - 9/64-40 x 1/4 Needle Bar Clamp)
This is the screw for holding the needle bar in place. It is behind the lightning screen face plate. IF YOU REMOVE OR REPLACE THIS SCREW YOU MUST RETIME YOUR MACHINE!
Screw - 9/64-40 x 1/4 Needle Bar Clamp