Screw Gear Bore Diameter 12 mm Bore Diameter Tolerance H7 Bore Type Plain Face Width 20 mm Gear Shape S1 Gear Type Screw Hub Diameter 35 mm Hub Projection 15 mm Material Stainless Steel Maximum Teeth Hardness 187 HB Metric Module Pitch 2 Number of Teeth 15 Outside Diameter 46.43 mm Overall Length 35 mm