| home For over 40 years, Rock Valley Tool has manufactured close tolerance, high reliability, quality, precision machined components for the aerospace, medical, blow molding, and commercial industries. We have full in-house state-of-the-art CNC manufacturing capabilities along with an Engineering Department that employs the latest CAD/CAM technologies. Our production capabilities include CNC Milling, CNC Turning, O.D. Grinding, Deep Hole Drilling, Surface Grinding and.. |