Material: Stainless steel 1.4305 (AISI 303). Milled teeth, precisely straightened. Straight teeth. Pressure angle 20°. Tooth quality 8d25 modelled on DIN 3967. The teeth on the gear racks are manufactured using an overhead milling cutter. This leads to negative tolerances for dimension a and h0: up to Module 2: -0,2 mm. Module 2,5 to 4: -0,3 mm. From Module 2, except for nominal length 500 mm, cut for continuous linking.