(Adding other products will affect these rates)
Our 40BS30H sprocket is an ANSI standard sprocket with a 1" finished bore that has a keyway & 2 setscrews. 40BS30 sprockets are a 30 tooth sprocket that works with ANSI #40 roller chain. These sprockets are manufactured from 1045CD carbon steel material. The sprocket teeth are hardened for increased wear resistance.