MOVING-GOODS Rack Series feature world-leading precision and service life, Including milled racks (straight/helical teeth, M0.79mm-20mm, DIN3962 Q8, length up to 2m) and ground racks (straight/helical teeth, M0.4mm-20mm, DIN3962 Q4/Q5/Q6, length up to 1.5m). Heat treatment options include tooth hardened and case hardened.