Finished Bore with Set Screws (No Keyway) Bore Roller Chain Sprocket, 41 Chain Size, 12 # of Teeth, TRITAN, Mfr# 41BS12H X 1/2

Roller Chain Sprocket, Bore Diameter 1/2 in, For Chain Pitch 1/2 in, For Number of Strands Single, Hub Type One Side, Material Steel, Maximum Bore Diameter 1/2 in, Number of Teeth 12, Outside Diameter 2.17 in, Pitch Diameter 1.932 in, Bore Type Fixed, Chain Number 41, Finish Black Oxide, Hub Diameter 1 9/16 in, Hub Projection 0.648 in, Includes Set Screws, Keyway No, Keyway Depth Not Applicable, Keyway Width Not Applicable, Length through Bore 7/8 in, Number of Set Screws 2