CT Precision, formerly known as Precision Grinding, is a manufacturer of industrial machinery and aerospace components in New Britain, CT.

CT stands for Critical Tolerance as we specialize in precision machining including OD/ID grinding and surface grinding within +/- 0.0001”.

Custom Manufacturing & Material Treatment

Precision OD/ID Grinding – High-accuracy cylindrical grinding to customer specifications, including tight-tolerance shaft, spindle, and bearing surfaces.
GPG Repair (Grind–Plate–Grind) – Complete restoration of worn or damaged metal surfaces using hard chrome plating followed by precision finishing to restore OEM dimensions and surface integrity.
Surface Finishing & Polishing – Controlled finishing processes to achieve specific surface roughness, roundness, and performance requirements.

Machining Services

Custom Machining of Metal and Non-Metal Components – Machining parts for others according to supplied drawings, models, or specifications.
Tight-Tolerance Parts Processing – High-precision manufacturing support for industries that require consistent dimensional accuracy and surface performance.