https://pursuitengineering.blogspot.com/2017/01/types-of-milling-cutters.html

Types of Milling Cutters Milling cutters may have teeth on the periphery or ends only, or on both the

periphery and ends. Peripheral teeth may be straight or parallel to the

cutter axis, or they may be helical, sometimes referred as spiral teeth

https://pursuitengineering.blogspot.com/2017/01/types-of-milling-cutters.html

Milling cutters may have teeth on the periphery or ends only, or on both the

periphery and ends. Peripheral teeth may be straight or parallel to the

cutter axis, or they may be helical, sometimes referred as spiral teeth.