PH Tool Reference Standards
PH Tool is a U.S.-based precision manufacturer specializing in custom components and reference standards for aerospace testing, inspection, and development applications. With decades of experience supporting the nondestructive testing (NDT) industry, we manufacture highly specialized test pieces used to validate inspection systems, qualify procedures, develop new technologies, and evaluate critical aerospace components.
Our capabilities combine precision CNC machining with advanced electrical discharge machining (EDM), allowing us to produce complex geometries and extremely precise artificial flaws, including notches, micro-holes, side-drilled holes, flat-bottom holes, and other custom reflectors.
PH Tool works with aerospace manufacturers, engine and airframe programs, defense organizations, research laboratories, and NDT equipment developers on both production and one-off development projects. From customer-supplied components and representative test specimens to fully machined calibration standards, our team specializes in solving unusual manufacturing challenges where dimensional accuracy, repeatability, traceability, and inspection performance are critical.