Miter Gear Bore Diameter 10 mm Bore Diameter Tolerance H7 Bore Type Finished Face Width 9 mm For Shaft Angle 90 Degrees Gear Shape BT Hub Diameter 30 mm Hub Projection 11.5 mm Hub Type Hub with Set Screws Includes Set Screw Material Stainless Steel Material Grade SUS303 Maximum Teeth Hardness 187 HB Metric Module Pitch 1.5