Worm Gear Bore Diameter 12 mm Bore Diameter Tolerance +/- 0.2 mm Bore Type Plain Face Width 32 mm Gear Shape W1 Hub Diameter 25 mm Hub Projection 14 mm Material Stainless Steel Maximum Teeth Hardness 187 HB Metric Module Pitch 2 Number of Starts 1 Outside Diameter 35 mm Overall Length 46 mm Pitch Diameter 31 mm