Custom 7075 Aluminum CNC Machining Services | Precision Parts

High-precision custom 7075 aluminum CNC machining for aerospace, robotics & automation. Fast prototyping and volume production with tolerances to ±0.005mm.

In modern advanced manufacturing, 7075 aluminum alloy (Al-Zn-Mg-Cu series) is the premier material choice for structural weight reduction without compromising strength. Offering a tensile strength comparable to many steels, an exceptional strength-to-weight ratio, superior machinability, and outstanding fatigue resistance, 7075 is essential across high-performance industries. We specialize in custom non-standard CNC machining, delivering end-to-end manufacturing solutions—from single-piece R&D prototypes to high-volume production—backed by multi-axis CNC technology and rigorous quality control.

Global 7075 Aluminum Material Standards & Cross-Reference

To ensure full compliance with international engineering drawings and material certification requirements, we source and machine certified 7075 plates, bars, and extrusions across all common tempers (including T6, T651, and T7351):

Country / Standard System Alloy Grade / Designation Standard Reference
USA / International (AA/ASTM/AMS) 7075 / UNS A97075 ASTM B209 / B221, AMS 4045 / 4044
China (GB/T) 7A09 (formerly LC9) GB/T 3190 / GB/T 3880
Europe (EN) EN AW-7075 / EN AW-AlZn5.5MgCu EN 573-3
Germany (DIN/WNr) 3.4365 / AlZnMgCu1.5 DIN 1725-1
Japan (JIS) A7075 / A7075P / A7075TD JIS H4000 / JIS H4040
Russia (GOST) В95 (V95) / В95Т1 GOST 4784

Comprehensive 7075 Machining & Surface Treatment Capabilities

While 7075 machines exceptionally well, controlling internal stress relief during high-speed cutting is critical to prevent deformation. Our optimized manufacturing routes guarantee tight tolerances and minimal warping:

  • 5-Axis CNC Milling: Single-setup machining for complex organic surfaces, deep cavities, multi-angle holes, and topology-optimized lightweight structures.

  • Precision CNC Milling & High-Speed Engraving: Tight tolerances held within ±0.005 mm with surface roughness down to Ra 0.8–0.4 μm for precision enclosures and structural plates.

  • Turn-Mill & CNC Precision Turning: Efficient production of non-standard threaded fittings, rotary shafts, bearing seats, and valve bodies.

  • EDM & Wire EDM: Sub-micron precision for tight internal radii, deep slots, and keyways after heat treatment.

  • Surface Finishing Services:

    • Anodizing: Type II decorative anodizing (multiple color options) and Type III Hardcoat Anodizing for maximum wear and corrosion resistance.

    • Chemical Conversion Coating (Alodine / Chromate 1200/1500): Excellent corrosion protection while preserving electrical conductivity.

    • Bead Blasting & Polishing: Uniform matte textures or cosmetic high-luster finishes to eliminate tool marks.

    • Laser Marking: Serial numbers, 2D matrix codes, part identifiers, and custom branding logos.

Target Industries & Key Custom Components

We supply precision-machined 7075 components engineered for applications requiring high structural integrity, low mass, and fatigue durability:

  • Humanoid Robotics & Smart Automation: Dexterous hand skeletons, joint actuator housings, harmonic reducer flanges, servo frames, robotic arm linkages, and end-effector grippers.

  • Aerospace & UAVs: Structural mounting brackets, drone motor mounts, gimbal arms, landing gear components, and avionics connector shells.

  • Motorsport & Automotive Performance: Control arms, brake caliper brackets, lightweight wheel adapters, timing belt pulleys, suspension shock towers, and steering knuckles.

  • Optics & Medical Devices: Optical lens mounts, laser chassis, medical imaging positioning mounts, sensor enclosures, and surgical instrument fixtures.

  • Outdoor & Sporting Goods: Climbing carabiners, bicycle cranks, chainrings, suspension linkages, archery risers/pulleys, and fishing reel bodies.

  • Industrial Equipment & Tooling: Valve manifolds, hydraulic blocks, precision inspection fixtures, automation grippers, and custom tooling plates.

Why Partner With Us?

  • 100% Certified Raw Materials: We use stress-relieved, high-grade 7075-T6/T651 material to ensure part stability post-machining, complete with Mill Test Certificates (MTC).

  • Flexible Volume Capabilities: Seamless scaling from 1-off rapid prototyping to full-scale mass production.

  • Complete Quality Assurance: In-house verification using CMM, optical comparators, height gauges, and surface roughness testers, with full CMM inspection reports provided upon request.

Ready to manufacture your 7075 aluminum parts? Send us your 2D/3D CAD drawings today for a rapid DFM review and competitive quote.