Exotic Metals

CARR Machine & Tool has spent decades refining exotic metal machining processes that achieve accuracy, consistency, and reliability with materials known for toughness and thermal resistance.

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Brass

We apply the same rigor to brass as we do to harder alloys, ensuring consistency, accuracy, and repeatable quality across every part.

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Copper

Our experience ensures dimensional accuracy, surface integrity, and repeatable results in copper components.

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7075 Aluminum

7075 delivers near steel-like strength at a fraction of the weight, making it ideal for structural and load-bearing components.

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2024 Aluminum

Commonly chosen by aerospace and transportation industries for structural applications, 2024 aluminum requires disciplined machining practices. 

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17-4 Stainless Steel

Our deep expertise with 17-4 Stainless Steel​ ensures dimensional stability, surface integrity, and repeatable results for critical aerospace applications.

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15-5 Stainless Steel

Our deep knowledge of 15-5 stainless steel allows us to manage these variables effectively, delivering consistent accuracy, repeatability, and performance in demanding applications.

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4140 Steel

Our deep understanding of 4140 metallurgy and machining behavior allows us to control these variables and consistently deliver accurate, stable, high-quality parts.

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Titanium CNC Machining

Titanium is one of the most capable metals in modern engineering — lightweight yet incredibly strong, corrosion-resistant, and able to maintain its properties at high temperatures. At CARR Machine & Tool, our titanium CNC machining services unlock the full potential of this extraordinary material.

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CERTIFICATIONS
CERTIFICATIONS
ITAR Registered
AS 9100D Certified
CMMC - In Progress

Machining Materials That Push the Limits

CARR Machine & Tool was built to handle the materials that other shops avoid. From aerospace-grade titanium to hardened steels and nickel-based superalloys, our team works daily with metals that demand precision and control at every stage.

Machining materials like titanium and Inconel requires careful balance between tool pressure, chip load, and coolant flow. Our machining centers are equipped with advanced adaptive toolpath software, dynamic spindle control, and in-process monitoring to keep tolerances within microns.

For customers requiring precision machining hard materials, we use controlled tool geometries, high-pressure coolant delivery, and rigid fixturing systems that eliminate vibration. Tool life, cutting temperature, and finish quality are monitored continuously to ensure consistency across the production run.

Our shop operates under AS9100D and ISO 9001:2015 certification, with ITAR registration in place for defense and government contracts. Every program, part, and setup is documented to maintain traceability and repeatability — essential for industries where a single dimension can affect performance or safety.

We approach hard metals with confidence because we understand their behavior. Cutting conditions are verified through testing and prior data. Our machinists reference years of empirical knowledge to determine optimal feeds, speeds, and coolant strategies. It’s a methodical process designed for control and precision.

How We Support Engineers

CARR Machine & Tool partners with engineers who need confidence in both material performance and manufacturability. Every program begins with consultation — reviewing design intent, evaluating tolerance requirements, and recommending materials that align with functional and cost goals.

Our team assists with:

  • Material selection and sourcing from approved suppliers.
  • Manufacturability analysis to anticipate tool reach, fixture access, and heat distortion.
  • Design refinement to improve structural efficiency without sacrificing machinability.
  • Documentation and compliance support to satisfy AS9100D and ITAR standards.

Every lot of material is barcoded, documented, and traceable. We maintain long-term relationships with certified mills and distributors, giving clients assurance that each piece of stock meets exact chemical and mechanical standards.

When engineers engage with CARR early in the design process, they gain input that prevents common manufacturing bottlenecks, such as excessive tolerance stacking or thermal deformation during finishing. The result is a faster, cleaner path from CAD model to finished component.

Our Process

Precision from Start to Finish

The behavior of a metal under a cutter defines everything that follows: surface finish, tool life, and tolerance control. Our machinists approach each new project by studying those interactions before the first chip is made. Through this structured approach, CARR Machine & Tool maintains accuracy, consistency, and throughput, all without sacrificing speed or finish quality.

Once machining begins, data from every cycle is logged and analyzed. Spindle speed, temperature, and wear rates are tracked through our digital process control system. Each setup undergoes a first-article inspection to validate dimensions before production proceeds.

For ongoing production runs, we conduct periodic dimensional audits using coordinate measuring machines (CMMs) and surface profilometers in a temperature-controlled inspection lab. Every batch receives a full inspection record, ensuring repeatability and compliance with customer documentation requirements.

Our inspection department works directly with machinists on the floor, closing the feedback loop between production and quality. This collaboration allows real-time adjustments to maintain the tightest tolerances across complex geometries.

Value Beyond the Cut

CARR’s value extends far beyond machining excellence. Our understanding of precision machining materials and process optimization directly impacts project efficiency, cost, and performance.

  • Reduced Downtime: Predictable machining parameters mean fewer tool failures and setup interruptions.
  • Improved Consistency: Documented workflows and process control produce identical results across production lots.
  • Shorter Lead Times: Integrated material sourcing and planning streamline delivery schedules.
  • Regulatory Confidence: AS9100D and ITAR compliance provide assurance for aerospace and defense clients.

By merging technical expertise with proven manufacturing systems, we’ve created a foundation for reliability. Customers return to CARR because they can depend on our craftsmanship, our data-driven process, and our attention to every step,from selecting materials to final inspection.

 

Partner with CARR Machine & Tool

Precision begins with material knowledge. The alloys we machine are the backbone of industries that demand accountability and performance. When engineers and manufacturers need a partner who understands the science and strategy behind machining materials, they turn to CARR Machine & Tool.

Count on CARR Machine & Tool Inc. for reliable expertise in precision machining hard materials and the alloys that shape innovation. Contact us today to discuss your project, request a quote, or learn how our team supports complex manufacturing programs from prototype to production.

Explore our Capabilities​
UNIQUE SOLUTIONS FOR UNIQUE PROBLEMS

Our multi-axis capabilities allow us to bring these tolerances to oddly angled parts and sub-assemblies.