05-02-2014, 05:29 AM
Number 1 is a center drill. If it's a 60 degree center drill then it's typically used to drill the 60 degree tapered hole which allows you to turn parts between centers on your lathe using lathe centers.
Number 2 is an end mill used to mill stock.
Number 3 is
Ed
Number 2 is an end mill used to mill stock.
Number 3 is
Ed