[Bolt Configuration:3x, 120º apart, Ø0.203" thru, 82º countersink to Ø0.411" (for #10 flat head screw)]
[Bore:2-1/64”]
[Finish:None]
[Outer Diameter (D):18"]
[Thickness:3/8"]
[Bolt Circle Diameter:3"]
[Material:Aluminum]