At Sierra, we manufacture strictly special non standard end mills made exactly to customer specifications. We can customize these end mills to your needs and type of  material you are machining. Sierra will design the end mills with almost any helix, number of flutes, overall length, flute length, end cutting configuration and shank requirements.

Our business has always been designed around the production of specialty tooling needs for the Aircraft, Automotive, Defense, Rocket and Space industries. With over 60 years experience in this type of manufacturing, we have the expertise to manufacture just about any type of special cutting tool your needs may require.

Quality and customer satisfaction is what we are all about.