Finished Bore Steel Miter
8 mm, Keyway Width 4 mm, Material Carbon Steel, Material Grade S45C, Maximum Teeth Hardness 60 HRC, Metric Module Pitch 1.Bore Miter Gear, Bore Diameter 12 mm, Bore Diameter Tolerance H7, Bore Type Finished, Face Width 8 mm, Finish Black Oxide, For Shaft Angle 90 Degrees , Gear Shape BK, Hub Diameter 26 mm, Hub Projection 13 mm, Hub Type Hub with Set Screws, Includes Set Screw, Keyway Yes, Keyway Depth 1.5, Minimum Teeth Hardness 50 HRC.