Business Details
38 Years
experience
Custom Precision Machined Parts Manufacturer in Elgin, IL
Princeton Industrial Products has been a trusted leader in precision machining for over 35 years, delivering custom CNC-machined components to mission-critical industries such as medical, defense, aerospace, and electronics. Our ISO 9001:2015-certified facility in Elgin, Illinois, combines advanced technology with a skilled team to produce parts with tight tolerances and complex geometries. We specialize in rapid prototyping and high-volume production, working with over 50 metals and plastics while adhering to rigorous quality standards like MIL-I-45208A.Our commitment to innovation ensures competitive pricing without compromising precision, supported by secondary operations like plating, anodizing, and heat treating. With expertise in CNC turning, Swiss machining, and screw machine products, we provide end-to-end solutions for industries demanding reliability and excellence.
Services
CNC Turning
Swiss Machining
Screw Machine Products
Plastic Parts Machining
Secondary Machining
Details
- Year established: 1988
Highlights and features
- 35+ years specializing in custom CNC machining services
- ISO 9001:2015-certified quality management system
- Quick turnaround for prototyping and production runs
- Work with over 50 grades of metals and plastics
- Advanced technology for tight tolerances and complex geometries
Associations and certifications
- ISO 9001:2015
- MIL-I-45208A
Services
CNC Turning
Our CNC turning services produce complex metal components with tolerances as tight as 0.0002 inches. Using state-of-the-art equipment, we handle both prototype and high-volume production runs for industries requiring exacting standards. The process combines speed with precision, ensuring parts meet rigorous quality requirements while maintaining cost-effectiveness for large-scale manufacturing.
Swiss Machining
Specializing in Swiss machining for intricate parts with diameters from 0.125 to 1.25 inches. Our multi-axis machines achieve 0.0002-inch tolerances and 32-micro-inch finishes, ideal for medical devices and defense components. This method ensures high precision and efficiency for both prototyping and million-piece production volumes.
Plastic Parts Machining
We machine high-precision plastic components from materials like Delrin, Nylon, and Teflon. Our capabilities include tight tolerances and complex geometries for industries such as electronics and medical devices. Secondary operations like polishing and coating enhance durability and functionality for demanding applications.
Secondary Machining
Our secondary services include plating, anodizing, heat treating, and laser etching to refine CNC-machined parts. These processes improve corrosion resistance, surface finish, and branding while meeting MIL-I-45208A and ISO 9001:2015 standards. We ensure precision and efficiency for both small and large production batches.
Screw Machine Products
Producing precision screws, nuts, and fittings from metals like stainless steel, brass, and aluminum. Our automatic screw machines enable high-volume output with tight tolerances, serving industries such as aerospace and semiconductors. Exotic materials and custom designs are supported for mission-critical applications.
Questions
What industries do you serve?
We serve medical, defense, aerospace, electronics, automotive, and hydraulics industries with precision-machined components.
What materials can you work with?
We machine over 50 materials, including steel, aluminum, brass, stainless steel, Delrin, Nylon, and exotic metals like Inconel.
Are you ISO 9001:2015 certified?
Yes, our Elgin, Illinois facility is ISO 9001:2015 certified with MIL-I-45208A compliance for military specifications.
What production volumes do you handle?
We support prototyping (1-10 pieces), medium runs (11-999), and high-volume production (1,000+ pieces).
Do you offer secondary operations?
Yes, including plating, anodizing, heat treating, and laser etching to enhance part functionality and appearance.
How do you ensure quality?
Through ISO-certified processes, MIL-I-45208A standards, and advanced inspection systems for every production stage.
