Precision CNC Machining for Illinois Industries Serving Chicago, Rockford, Peoria & Beyond Since 1979.

Illinois is home to major producers of agricultural and construction equipment, along with aerospace suppliers in Rockford and a large automotive and medical base around Chicago. RAM Tool, Inc. provides precision CNC machining, prototype tooling and aluminum and zinc die-cast dies for manufacturers across the state. Since 1979, we have run 5-axis and horizontal CNC equipment and handled jobs up to 20 tons. In-house EDM and CMM inspection keep quality consistent from first article through production.

Why Choose Us for Your Illinois CNC Machining Needs

Deep Industry Experience: Serving Illinois manufacturers since 1979
Advanced Capabilities: Multi-axis CNC machining, EDM and CMM inspection
Scalable Solutions: Supporting small prototype runs to high-volume production
ISO-Certified Quality: Tight tolerances for aerospace, medical and more

Our CNC job shop attracts a wide range of clients from Illinois, including Chicago, Aurora, Joliet, Naperville, Rockford, Elgin, Springfield, Peoria, Champaign & Waukegan.

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Precision 5-Axis CNC Machining Services in Illinois

Illinois Cities We Serve

CNC Contract Milling and Tooling Services in Illinois

Our Illinois CNC Machining Capabilities

RAM Tool supports Illinois manufacturers with full-service CNC machining solutions tailored to each application. From complex prototype tooling to high-volume die-cast production, we deliver precision parts built to perform. Laser scanning and custom inspection services help maintain accuracy and consistency at every stage of the job.

Industries We Support in Illinois

RAM Tool partners with manufacturers across Illinois in industries like aerospace, medical, automotive and energy. Whether you're developing a new part or scaling up for production, we supply reliable, high-tolerance components machined to exact specifications. Our team understands the pace of modern manufacturing and delivers with precision, speed and repeatability.

Oil & Gas

Wind Energy

Railroad

Automotive

Industrial

Mining

Agriculture

Powersports

Aerospace

Military

Medical

Certified Quality You Can Trust

Our certifications and industry affiliations, including ISO 9001:2015, NTMA, AMBA, NADCA, and ITAR compliance, reflect our commitment to precision, regulatory compliance, and calibration accuracy on every project. View all of our Certifications for full details on our accreditations and quality standards.

Why do Illinois Businesses Choose RAM Tool, Inc. for CNC Machining?

RAM Tool brings decades of machining expertise and a strong track record of serving Illinois-based manufacturers. Our team handles complex jobs with speed and precision, drawing on a full range of CNC capabilities and a commitment to quality at every step.

Each part we produce goes through detailed inspections to meet the highest standards. We don’t compromise on performance and we don’t cut corners.

We work closely with Illinois clients to deliver solutions tailored to their goals, timelines and production needs, building lasting partnerships grounded in trust and results.

State of the Art 80,000 Square Foot Machine Shop

RAM Tool’s 80,000 sq ft facility in Grafton, Wisconsin, reflects our commitment to precision, quality and innovation. Staffed by expert machinists and equipped with advanced 5-axis and horizontal CNC machines, our shop handles projects weighing up to 20 tons, supported by 35 overhead cranes and 16 machining centers.

We work with trusted brands like Hermle, DMG Mori, OKK, Mitsubishi and the McEnglevan LTE 3030 tempering furnace to produce injection molds and die-cast dies with accuracy and consistency across every job. We machine a wide range of CNC machining materials, including aluminum, carbon steel, stainless steel, titanium and tool steel.

Frequently Asked Questions

What is the tightest tolerance RAM Tool can achieve when machining stainless steel parts?

RAM Tool is capable of producing stainless steel parts with precision tolerances as tight as 0.0002 inches.

What is the tightest tolerance RAM Tool can achieve when machining titanium parts?

RAM Tool is capable of producing titanium parts with precision tolerances as tight as 0.0002 inches.

Which titanium alloy does RAM Tool commonly work with?

RAM Tool commonly works with Titanium Ti-6Al-4V (Grade 5 Titanium).

What CNC machining services does RAM Tool offer for aluminum alloys?

RAM Tool offers 5-axis machining, CNC milling, CNC boring, CNC grinding, and EDM services for aluminum alloys.

Need CNC Services in Illinois?

For over four decades, RAM Tool, Inc. has served various industries with our precision machining services. Our pride lies in our attention to detail and commitment to getting it right the first time. We value your interest in us and are eager to connect with you. You can reach us from 6:00 am to 4:30 pm, Monday through Friday, CST.

We Look Forward to Hearing From You

Facility Address: 1420 Cheyenne Ave. Grafton, WI 53024

Mailing Address: P.O. Box 656, Grafton, WI 53024

Phone: 262-375-3036 | Fax: 262-375-3025