(Adding other products will affect these rates)
4072X sprocket is a "X series" weld on sprocket that is made to ANSI standards. The 40X72 sprocket is 72 tooth sprocket for #40 ANSI roller chain. Any "X series" weld on hub will work with our 4072X sprocket. This sprocket is manufactured from 1045 carbon steel and has hardened teeth for wear resistance.