F-Loc Spur Gear Metric Module Pitch 0.5 Bore Diameter 5 mm Bore Type Finished Hub Type Locking Hub Hub Diameter 14 mm Hub Projection 8.5 mm Face Width 5 mm Pitch Diameter 22.5 mm Material Acetal Pressure Angle 20 Degrees Bore Diameter Tolerance H7 Gear Shape S1 Hub Material Stainless Steel Hub Material Grade SUS303 Includes Hex Socket Screw