Waltz Brothers, Inc.

Prototype & Production Co., Inc.

Sauk Machine Works Limited

Jeffrey-Jae Company

Call the Jeffrey-Jae Company for: inserts, pins, contacts, stand-offs, studs, bushings, turned housings, spacers, screwlocks, connectors, as well as special and difficult-to-manufacture bolts, screws (thread cutters and sems), and nuts.


The Jeffrey-Jae Company, Inc. is an ISO 9001:2000 certified full-service plus (turnkey manufacturing, secondary, heat treat, and plating) screw machine and cold-headed part supplier. By integrating screw machine and cold-heading technologies, the Jeffrey-Jae Company can offer unique cost-efficient solutions to your manufacturability issues. 


Because both technologies are available through Jeffrey-Jae, we don't have the conflict many manufacturers do when they see a part that can be cold-headed being run more expensively on a screw machine. Alternatively, our screw machine and secondary operations enabling us to cold-head or _x0093_blank_x0094_ for in-house secondaries, many parts that other cold-heading houses have to _x0093_no quote._x0094_ 


We have been supplying parts to the More... electronic, appliance, and medical industry for 40+ years. Our screw machine facilities include but are not limited to CNC/CAM, multi-spindle, Swiss, escomatic, and Davenport manufacturing centers. 


 Our cold-heading operations include one through four blow headers as well as open-die capabilities. We offer full secondary support and in-house tooling capabilities. We specialize in parts from .07_x0094_ in. to 3.5 in. diameter and problem parts are our forte. 


 We are happy to help you with all your machined component needs. Feel free to contact me directly or email us with your prints or questions. You can also use our free quick quote or request literature.


 With 40+ years of technical manufacturing experience, the Jeffrey-Jae Company, Inc. will prove to be an invaluable asset to your company. We look forward to the opportunity to grow with you.

Numerical Precision, Inc.

Swiss Precision Machining, Inc.

For 30 years, Swiss Precision Machining, Inc. (SPM) has evolved from a small shop with three Swiss-style cam machines to a modern job shop with over 90 diverse machines. Committed to quality, SPM stays ahead by incorporating advanced machines and software, enhancing their capacity to meet customer needs with precision products. Check their CNC Swiss Machining and CNC Vertical Machining offerings for more details.

Dynomax Inc.

Abbott Interfast Corp.

We're a US company located in Wheeling, Illinois, a suburb of Chicago. We have customers throughout the Americas and around the world, but primarily service North American manufacturers. Since 1948, we have a history of providing American industry low cost, quality products and service is a record of which we are extremely proud.


Whether it is contract or subassemblies manufactured in our wheeling facility, plastic knobs produced in Chicago, or automatic screw machine products produced in our two in-house factories, each member of our staff is proud of the products we provide.


We supply cold headed specials and locknuts produced in our in-house factories, along with bagged and specially packaged products. We maintain a complete line of standard fasteners located in our 5 acre, 100,000 sq. ft. facility stocking billions of standard parts for immediate shipment.We offer the greatest value to American companies using our customized inventory programs, whether J.I.T., Kanban, or a unique system More... developed to meet your company's requirements. 


 Serving companies from the "Fortune 500" down to one person operations, we treat each customer as unique, with different requirements, while striving to provide, and over 99+% of the time, total customer satisfaction. Many companies promise the best quality, service and low cost, but we have delivered on those promises since 1948.

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Specialized services

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Specialized solutions and distribution

Industry Expertise

Suppliers for Aerospace located in (Wheeling)

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