Manufacturing Parts and Building Relationships for Over 20 Years. Located in Pacoima, California (near Los Angeles), American Precision Tool is a leading provider of precision machining services, including CNC milling, CNC turning, precision grinding, prototyping, tooling and fixturing. We manufacture a wide variety of machined parts, spare parts and components for a wide range of industries. A few include aerospace, medical, pharmaceutical, motorcycle and car industries. We are committed to proving the highest quality in our industry and we are a Certified AS9100D manufacturing facility. We are also HUBZone-certified. As one of the most versatile machine shops not just in the Los Angeles area, but nationwide, companies in search of machining services have come to trust American Precision Tool to deliver quality machined parts, and exceptional service. For us, weve found success by exceeding expectations. This means a commitment to on-time delivery, competitive pricing, and providing service levels that are unique in the machining industry. We are dedicated to creating and maintaining longstanding relationships with our customers. Our goal with each machining project is to exceed expectations, and become your go-to partner for future machining projects. Looking for a machining partner you can trust? Reach out to the team at American Precision Tool today. To ensure you receive machined parts that fall within your tolerance requirements, we have state of the art inspection capabilities in-house. With Comparators and Coordinate Measuring Machines (CMM) we can record precise measurements without the need to send machined parts off to a dimensional lab for measurement.