Proudly serving the Aerospace, Automotive, Defense, Medical, and Oil & Gas Industries


Primary Cutter, LLC is the proud manufacturer of the SUPERMILL “High-Performance” Carbide Endmill product line. With long-lasting sharpness and reliable precision cutting, Supermill endmills are often considered the best endmills in the marketplace today. Our high-performance endmills provide unmatched value and dependability, while outperforming and out producing our competitors.


Tomcat Line 

Supermill's state of the art Tomcat 5 flute carbide endmill line increases productivity, precision, and reduces machining time.
Learn about our Tomcat Line.

View Our Catalog 

Supermill's high quality products outlast and outperform others of its kind and are used from the aerospace to the medical industries and everything in between.
Check out our catalog.

Follow us on Facebook

Follow us on Twitter

Subscribe to our Newsletter