The Lynxmotion SES - Standard 2-56 Hardware is used specifically as part of the Lynxmotion Servo Erector Set (S.E.S.) to connect brackets, gears and other hardware. The package includes 12x 2-56 x ¼” long Phillips head screws and 5x 2-56 nuts. If you need nylon insert 2-56 “lock nuts” for added security, consider RB-Lyn-679.
13x Pan Head Phillips 2-56 x 1/4" long machine screws
