This innovative step drill has been designed for use with our popular range of Powerbor Electromagnetic drilling machines. The unique design of the Powerbor Step Drill allows a number of popular hole sizes to be drilled with just one tool. The new Powerbor Step Drill offers a number of advantages over conventional drilling and cutting methods and can be used for many different industrial applications.The PowerborStep Drill offers advantages over conventional drilling and cutting methods and can be used for many different industrial applications.The unique design of the Powerbor Step Drill allows a number of popular hole sizes to be drilled with just one tool.