Precision CNC Machining for Michigan Industries Serving Detroit, Grand Rapids, Lansing & Beyond Since 1979.

Michigan's automotive industry uses more die-cast parts than almost any other sector, and RAM Tool, Inc. has built aluminum and zinc die-cast dies since 1979. We provide precision CNC machining, tooling and inspection for automotive, aerospace, medical and industrial manufacturers in Detroit, Grand Rapids, Lansing and across the state. Our 16 machining centers and overhead cranes handle die work as large as 20 tons. EDM and CMM inspection are done in house to keep dies accurate over long production runs.

Why Choose Us for Your Michigan CNC Machining Needs

Industry Knowledge: Over 40 years of experience supporting Midwest manufacturers
Leading Technology: Multi-axis CNC machining, EDM and advanced CMM inspection
Scalable Production: From custom prototypes to large production runs
Quality Focused: ISO-certified processes for reliable, repeatable results

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Precision 5-Axis CNC Machining Services in Michigan

Michigan Cities We Serve

Detroit
Ann Arbor
Grand Rapids
Lansing
Kalamazoo
Saginaw

CNC Contract Milling and Tooling Services in Michigan

Our Capabilities For Businesses in Michigan - Tooling, Machining, & Engineering

RAM Tool, Inc. prides itself on a diverse set of CNC machining capabilities. We offer contract milling services, handling both large and small-scale projects with equal proficiency. Prototype tooling services provide your business with the opportunity to create and test protypes before moving to full-scale production. With a specialization in die-cast dies, we have the expertise to develop durable, high-precision dies for aluminum and zinc casting. Laser scanning is another strength, enabling accurate digitization of components for quality control, reverse engineering, or further processing. Lastly, the custom inspection services ensure that every product meets the company's high-quality standards, demonstrating their commitment to excellence in every project.

Industries We Support in Michigan

We work with manufacturers across Michigan in the automotive, aerospace, medical and heavy equipment industries. Whether you're developing a precision part or scaling up for production, RAM Tool delivers reliable components tailored to your specs. Our team adapts to your timeline, tolerances and quality demands every time.

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 Michigan Businesses Choose RAM Tool, Inc. for CNC Machining?

RAM Tool combines full-service CNC capabilities with decades of experience to support Michigan’s manufacturing base. Our team handles complex jobs with confidence, delivering precision-machined parts built for performance and longevity.

Every part undergoes detailed inspection to meet the highest standards. We don’t compromise on accuracy or miss deadlines.

We work closely with Michigan manufacturers to deliver results aligned with your goals, whether you're building one part or thousands.

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 stainless steel alloys does RAM Tool commonly work with?

RAM Tool commonly works with Stainless Steel 15-5, 17-4, 304, 316, and 420.

Which titanium alloy does RAM Tool commonly work with?

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

Need CNC Services in Michigan?

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