This Form Tool Drop Calculator figures the corrected step on form tools when given a front clearance angle, top rake, and base diameter.

Enter the front clearance angle, top rake, base diameter, and the diameters you want to cut, and get the corrected step dimension on the right.

Compliments of Contour Tool Inc. - Contour Precsion Milling

Part #
Tool #
Clearance Angle
Top Rake Angle
Base Dia of Part (inches)