Hygrade Precision Technologies, LLC

Address: 329 Cooke Street, 




Hygrade Precision Technologies, LLC currently operates in a 40,000 square foot facility located in Plainville, Connecticut. Our capabilities and services include CNC multi-axis machining, CNC and manual ID/OD grinding, Vertical ID/OD grinding, flat lapping and grinding, and testing and inspection services, including CMM inspection and nital etch inspection services. Hygrade services the Aerospace, Automotive, Commercial, Homeland Security, Medical and Power Generation industries.

Hygrade has been ISO approved since September of 1997 and AS9100:2001 approved since November of 2007. Hygrade was initially approved by NADCAP in January of 2004 for Aerospace quality system (AC7004) and Chemical Processing (AC 7108). NADCAP stands for National Aerospace and Defense Contractors Accreditation Program, and is required by companies such as GE, Rolls Royce, Boeing, Bombardier, Pratt and Whitney, and Sikorsky aircraft. Hygrade is audited annually for compliance.