600mm Trapezoidal 4-Start Lead Screw, 8mm Diameter

A 4-start lead screw means there are four independent helical threads running parallel. This significantly increases the linear travel per revolution compared to a single-start screw. It typically results in faster linear motion for a given rotational speed, though with potentially less positional precision per step if not compensated for in the motor driver.

This 8mm diameter lead screw is compatible with NEMA 17 stepper motors when used with an appropriate 8mm bore flexible coupling or lead screw nut. Ensure your motor's shaft diameter matches the coupling or nut's input side for proper mechanical linkage to function effectively.

304 stainless steel offers excellent corrosion resistance, high tensile strength, and good machinability. For lead screws, this material provides durability against wear and tear, resistance to environmental factors like humidity, and maintains its mechanical integrity over long periods of operation in various conditions.

The 2mm pitch refers to the axial distance between corresponding points on adjacent threads. With a 4-start design, the lead (distance traveled per full rotation) is 4 times the pitch, meaning 8mm per revolution. This provides a balance between speed and resolution for linear movement applications.