40A18/1.9/SS
40A18 s.s. sprockets are an ANSI standard size that has 18 teeth and works with #40 roller chain. These sprockets are known as a “Type A”, which is a hub less roller chain sprocket. Our 40A18 s.s. plate sprockets are a durable, high strength sprocket that is manufactured from 304 stainless steel. Bored for 1.9 diameter tube.