(Adding other products will affect these rates)
4040X sprocket is a "X series" weld on sprocket that is made to ANSI standards. The 40X40 sprocket is 40 tooth sprocket for #40 ANSI roller chain. Any "X series" weld on hub will work with our 4040X sprocket. This sprocket is manufactured from 1045 carbon steel and has hardened teeth for wear resistance.