547 verified suppliers listed

Best Aluminum CNC Machining Shops

Aluminum is the most widely machined metal in precision CNC shops, valued for its excellent machinability, high strength-to-weight ratio, and versatility across industries from aerospace to consumer electronics. Grades 6061-T6 and 7075-T6 dominate the market, with 2024, 5052, and 6082 used for specialized applications. The shops listed here have documented aluminum machining capability, offering everything from quick-turn prototypes to high-volume production runs with anodizing and other finish options.

Why these suppliers?

  • Aluminum machines efficiently at high speeds and feeds, but quality shops know that surface finish, chatter avoidance, and fixturing for thin-walled parts require real expertise — not just any shop with a VMC.
  • These shops offer the full aluminum workflow: machining, anodizing coordination, chromate conversion, and dimensional inspection — reducing the number of vendors you need to manage.
  • Whether you need 10 prototype brackets or 10,000 production housings, the listed shops cover the full volume range with documented aluminum machining programs.

3 verified suppliers found

�BK-ALPROF� IS THE MANUFACTURER OF EXTRUSION PROFILES OF VARIOUS DESIGNATION OF ALUMINUM ALLOYS. The main types of the enterprise activity � extrusion of profile, casting of solid extrusion billets, translucent structures production. �BK-ALPROF� is the modern, dynamically developing enterprise � it has been founded on the 3rd of June 2003. The plant is located in the city Belaya Kalitva of Rostov region. The total area is over 15000 square m. THE MAIN TYPE OF ACTIVITY IS EXTRUSION OF ALUMINUM PRO

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Sacramento, California

The Metal Finishing Group represents the strategic integration of five industry leaders: A&A Metal Finishing, Aluminum Coating Technologies, Tech-Fin Metal Finishing, Superior Plating, and G&L Metal Finishing. Consolidated under one roof, we offer 32 distinct metal finishing and plating processes to meet any requirement. We are ISO 9001 and AS9100 certified, underscoring our commitment to quality across projects of every scale. With high-capacity tanks measuring up to 12' x 5' x 6', we handle complex, large

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Mentor, Ohio

Welcome To PCC Structurals Headquartered in Portland, Oregon, PCC Structurals is the world leader in superalloy, aluminum and titanium investment casting. With applications in jet aircraft engines, airframes, industrial gas turbine (IGT) engines, military armaments, medical prosthesis, and many other industrial markets, we provide a wide portfolio of high-quality components, some as large as 100 inches (250cm). As the original business unit for Precision Castparts, you can count on PCC Structurals� ex

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Frequently Asked Questions

What aluminum grades are most commonly CNC machined?
6061-T6 is the most common aluminum alloy for CNC machining, offering a good balance of strength, corrosion resistance, machinability, and weldability. 7075-T6 is used where higher strength is required (aerospace structures, firearms, high-stress brackets) but is harder to machine and more prone to stress corrosion in certain environments. 2024-T3 is preferred for aerospace fatigue-critical applications. 5052 and 5083 are common for marine and weldment applications.
What surface finishes are available for aluminum CNC parts?
Common finishing options for aluminum machined parts include Type II (clear) and Type III (hard coat) anodizing, which improve surface hardness and corrosion resistance; chromate conversion coating (Alodine/Iridite) for electrical conductivity with corrosion protection; powder coating and paint for decorative finishes; and Teflon (PTFE) or electroless nickel plating for specific functional requirements. Most aluminum machine shops coordinate finishing with local vendors or offer in-house anodizing.
How quickly can I get aluminum CNC prototype parts?
Many CNC shops offer 2–5 business day quick-turn aluminum prototyping for simple geometries. More complex parts with tight tolerances, multiple setups, or first-article inspection requirements typically take 1–2 weeks. When requesting quotes, clearly state your timeline requirement — shops that cannot meet your deadline will tell you upfront, and many have rush services available at a premium.

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