Stepper motor lead screw:our lead screw is made of imported stainless steel and is of high qualityit has high hardness, no bending and ,screw rod threaded stainless lead
T shape lead screw:smooth, quiet, and low maintenance, very suitable for 3d printer z,lead screw module
Steel lead screw rod:this t-type screw is a new type of screw is mainly used in stepper motor, machine tool rails and other equipments,threaded rods
Trapezoidal nut:with a matching nut, you can safely the perfect piece,lead rod
Screw rod and nut:copper nut, with 4 holes for fixing to the machine,threaded screw