Finished Bore with Keyway & SS Bore Sprocket, 40 Chain Size, 3/4 Bore Dia., 25 # of Teeth, TRITAN, Mfr# 40BS25H X 3/4

Sprocket, Bore Diameter 3/4 in, For Chain Pitch 1/2 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 3/4 in, Number of Teeth 25, Outside Diameter 4.26 in, Pitch Diameter 3.989 in, Bore Type Fixed, Chain Number 40, Finish Black Oxide, Hub Diameter 3 3/4 in, Hub Projection 0.716 in, Includes Set Screws, Keyway Yes, Keyway Depth 3/32 in, Keyway Width 3/16 in, Length through Bore 1 in, Number of Set Screws 2