F-Loc Spur Gear Metric Module Pitch 0.5 Bore Diameter 6 mm Bore Type Finished Hub Type Locking Hub Hub Diameter 17 mm Hub Projection 10 mm Face Width 5 mm Pitch Diameter 22.5 mm Material Stainless Steel Pressure Angle 20 Degrees Bore Diameter Tolerance H7 Gear Shape S1 Includes Hex Socket Screw