About Us
Overview
SUPERMILL, originally founded as Primary Cutter Grinding in 1990 in Berlin, Connecticut, started as a regrind and recondition facility for the aerospace, defense, and firearm manufacturing industries.
Recognizing a market need, SUPERMILL introduced high-performance solid carbide endmills and has since built a nationwide network of distributors and end-users.
Joining the IMC Group (International Metalworking Companies) has provided enhanced support and guidance, advancing SUPERMILL’s manufacturing technologies and maintaining top-tier customer service and technical support.
This partnership marks a significant milestone, accelerating SUPERMILL’s growth in the dynamic solid carbide endmill market.
SUPERMILL’s product lines now feature Ultra performance endmills with
specialized geometries and in-house PVD tool coatings for specific applications and maximum productivity.
We are dedicated to creating tools tailored to your unique needs and material requirements.

Contact
56 Willow Brook Drive
Berlin, CT 06037
Phone: (860) 828-9703
Fax: (860) 828-9573
Email: [email protected]