Sprocket, For Bushing Size SDS, For Bushing Type Quick Detachable, For Chain Pitch 1/2 in, Material Steel, Number of Teeth 40, Outside Diameter 6.65 in, Pitch Diameter 6.373 in, Chain Number 40, For Number of Strands Single, Maximum Bore Diameter 2 in, Finish Black Oxide, For Pitch Type Single Pitch, Hub Diameter 3 3/16 in, Hub Projection 0.466 in, Hub Type One Side, Length through Bore 3/4 in, Material Grade 1045, Minimum Bore Diameter 1/2 in, Resistance Properties