It depends on how many studs you are using. You have to balance the stud number to your carbide length.
Check out these links.
http://www.wiem.com/appguide2.htm
http://www.wiem.com/runrecchart2.htm
Check out these links.
http://www.wiem.com/appguide2.htm
http://www.wiem.com/runrecchart2.htm