Material: Stainless steel 1.4305 (AISI 303). Outside diameter = h9 drawn. Straight teeth, milled. 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. Dimensions ha and h0: up to Module 2: -0,2 mm. Module 2,5 - 4: -0,3 mm.