In-Depth Comparison of 6061 vs. 7075 Aluminum Alloy for CNC Machining
Compare 6061 vs. 7075 aluminum for CNC machining, covering strength, cutting parameters, and finishes to balance cost and efficiency for precision par…








Complex curves in a single pass — fewer steps, lower cost
ShowyMetal offers high-end 5-axis simultaneous CNC machining services for the most complex geometries and precision-critical components. With 5-axis simultaneous control, the cutting tool can approach the workpiece from virtually any direction, enabling one-shot machining of impellers, turbine blades, deep cavities and complex curved surfaces to aerospace-grade precision.
Complex curved surfaces: impellers, turbine blades, propellers
Aerospace structural parts: fuselage fittings, mounting brackets
Deep cavity and undercut parts requiring multi-angle tool access
Medical implants and surgical guides with organic geometries
Optical housings and precision molds / dies
| Parameter | Specification |
|---|---|
| Configuration | 5-axis simultaneous (3 linear + 2 rotary) |
| Max machining size | Φ600mm x 400mm |
| Positioning precision | ±0.01mm |
| Repeat positioning precision | ±0.003mm |
| Rotary axis accuracy | ±0.003 degrees |
| Surface roughness | Ra 1.6μm (standard) / Ra 0.8μm (fine finish) / Ra 0.4μm (ultra-fine finish) |
| Spindle speed | up to 20,000 RPM |
| Grade | Aerospace-grade machining capability |
| Standard lead time | 5-10 working days |
| Minimum order quantity | 1 piece |
ShowyMetal's 5-axis machines process a full spectrum of aerospace and high-performance materials, including aluminum alloys (7075, 2024), titanium alloys (Ti-6Al-4V), Inconel and other superalloys, stainless steel (15-5 PH, 17-4 PH), tool steel and hardened steels. The simultaneous 5-axis motion allows optimal tool orientation, extending tool life and improving surface finish on difficult-to-machine materials.
Type III anodizing (Type III) for aerospace aluminum parts
PVD / DLC coating for wear and friction performance
Passivation for stainless and titanium aerospace components
Precision polishing to mirror finish (Ra 0.05μm)
Electropolishing for corrosion-critical surfaces
Sandblasting and shot peening for surface strengthening
5-axis machining is indispensable for aerospace components such as impellers, turbine blades and structural fittings that demand complex curved surfaces and aerospace-grade precision. In medical manufacturing it produces custom implants and prosthetic components with organic shapes. In the energy sector it machines gas turbine and compressor parts. In tooling it creates precision molds and dies with deep cavities and undercuts that 3-axis machining cannot reach.
5-axis simultaneous machining for complex surfaces in one setup
Positioning precision to ±0.01mm, aerospace-grade capability
Reduced setups eliminate datum shift and improve accuracy
Specialized in titanium, Inconel, and other hard-to-machine alloys
AS9100-aligned quality management for aerospace parts
Advanced CAM simulation to prevent collisions and ensure first-part success
A selection of parts produced with this machining process.





Custom Precision Components for Aerospace
Aluminum Structural Parts for Aerospace
CNC Machined Housings for Aerospace


We deliver custom online CNC machining services from rapid machining to high-volume production, manufactured in and shipped worldwide from our 3 self-owned factories in Dongguan. With 70+ CNC machines covering milling, turning, swiss, EDM and drilling. As a self-owned factory there is no middleman markup, so lead time and quality are better guaranteed.
Professional 3-axis CNC machining for aluminum, stainless steel and titanium, with tolerances down to ±0.01 mm for precision parts.
Learn MoreProfessional 4-axis CNC machining that machines multiple faces in a single setup, cutting setup error and boosting efficiency and accuracy.
Learn MoreProfessional 5-axis CNC machining for complex curved surfaces in one pass — ideal for aerospace and medical parts.
Learn MoreProfessional CNC turning for rotational parts, supporting inner and outer diameters, threads and grooving.
Learn MoreProfessional Swiss-type machining for slender shafts and micro precision parts, ideal for medical catheters and electronic connectors.
Learn MoreProfessional mill-turn machining that completes turning, milling and drilling in a single setup for highly complex parts.
Learn MoreProfessional injection molding services for ABS, PC, POM, PA and other engineering plastics, from rapid tooling to mass production.
Learn MoreProfessional sheet metal fabrication services — laser cutting, CNC bending, welding and finishing for enclosures, brackets and chassis
Learn MoreFull material coverage: browse our complete CNC machining material library.

Light, strong and finish-friendly — the first choice for appearance parts
| Color | silver |
|---|---|
| Subtypes | 6061, 6061-T6, 2024, 5052, 5083, 6063, 6082, 7075, 7075-T6, ADC12 (A380) |
| Available Finish | As machined, Anodizing, Powder coating, Electroplating, Painting, Sand blasting, Polishing |
| Price | $ |
| Lead Time | 15-25 days (batch) |

Corrosion-resistant and high-strength — reliable in harsh conditions
| Color | silver |
|---|---|
| Subtypes | 304, 316, 316L, 303, 17-4PH, 2205 |
| Available Finish | As machined, Passivation, Electropolishing, Bead blasting, Powder coating |
| Price | $$ |
| Lead Time | 15-25 days (batch) |

The lightest yet the strongest — cut weight without losing performance
| Color | gray |
|---|---|
| Subtypes | Grade 2, Grade 5 (Ti-6Al-4V), Grade 1 |
| Available Finish | As machined, Anodizing, Polishing, Bead blasting |
| Price | $$$ |
| Lead Time | 15-25 days (batch) |

The reliable choice balancing strength and cost
| Color | gray |
|---|---|
| Subtypes | 1018, 1020, 1045, A36, A572, Q235, Q345 |
| Available Finish | As machined, Black oxide, Powder coating, Zinc plating, Painting, Sand blasting |
| Price | $ |
| Lead Time | 15-25 days (batch) |

Excellent electrical and thermal conductivity — ideal for precision parts
| Color | copper |
|---|---|
| Subtypes | C110 (Copper), C360 (Brass), C260 (Cartridge brass), C464 (Naval brass), C932 (Bearing bronze) |
| Available Finish | As machined, Polishing, Patina, Lacquering, Powder coating |
| Price | $$ |
| Lead Time | 15-25 days (batch) |

Impact-resistant general engineering plastic with great value
| Color | white |
|---|---|
| Subtypes | Natural, Black, Flame Retardant (FR) |
| Available Finish | As machined, Painting, Silk screening, Pad printing |
| Price | $ |
| Lead Time | 15-25 days (batch) |

High-impact transparent engineering plastic — tough and crystal-clear
| Color | clear |
|---|---|
| Subtypes | General purpose, Optical grade |
| Available Finish | As machined, Polishing, Painting |
| Price | $$ |
| Lead Time | 15-25 days (batch) |

Dimensionally stable and low-friction — the pick for gears and bearings
| Color | white |
|---|---|
| Subtypes | POM-H (Homopolymer), POM-C (Copolymer) |
| Available Finish | As machined |
| Price | $$ |
| Lead Time | 15-25 days (batch) |

High-temperature specialty engineering plastic for extreme duty
| Color | tan |
|---|---|
| Subtypes | Virgin PEEK, Glass-filled, Carbon-filled |
| Available Finish | As machined |
| Price | $$$ |
| Lead Time | 15-25 days (batch) |

Tough and wear-resistant — ready for friction and impact
| Color | natural |
|---|---|
| Subtypes | PA6, PA66, PA12, Glass-filled Nylon |
| Available Finish | As machined |
| Price | $$ |
| Lead Time | 15-25 days (batch) |

Mirror-grade transparency — a crystal-clear visual choice
| Color | Clear |
|---|---|
| Subtypes | Cast, Extruded, UV resistant, Colored, Frosted, Mirror polished |
| Available Finish | As machined, Diamond mirror cutting, Flame polishing, Bead blasting, Silk screening |
| Price | $$ |
| Lead Time | 15-25 days (batch) |

Corrosion-proof and low-friction — the guardian of extreme environments
| Color | White |
|---|---|
| Subtypes | Virgin, Glass filled, Carbon filled, Bronze filled, Graphite filled, Modified |
| Available Finish | As machined, Annealing, Mirror turning |
| Price | $$$ |
| Lead Time | 15-25 days (batch) |

High-strength, heat-resistant and inherently flame-retardant
| Color | Amber |
|---|---|
| Subtypes | Ultem 1000, Glass filled, Carbon filled, Medical grade, Food grade, Wear grade |
| Available Finish | As machined, Stress-relief annealing, Polishing |
| Price | $$$$ |
| Lead Time | 15-25 days (batch) |

Heat- and chemical-resistant — steady in harsh environments
| Color | Beige / Black |
|---|---|
| Subtypes | Virgin, Glass filled GF40, Carbon filled, Wear resistant, Conductive, Food grade |
| Available Finish | As machined, Annealing |
| Price | $$$ |
| Lead Time | 15-25 days (batch) |

Light and chemical-resistant — the value performer
| Color | Natural / White / Black |
|---|---|
| Subtypes | Homopolymer, Copolymer, Glass filled, Flame retardant, Food grade, UV resistant |
| Available Finish | As machined |
| Price | $ |
| Lead Time | 15-25 days (batch) |

Wear-resistant and self-lubricating — composed even in the cold
| Color | Natural / White / Black |
|---|---|
| Subtypes | HDPE, UHMW-PE, LDPE, Food grade, UV resistant, Conductive |
| Available Finish | As machined |
| Price | $ |
| Lead Time | 15-25 days (batch) |

Inherently flame-retardant and corrosion-resistant — economical and durable
| Color | Dark grey / White / Clear |
|---|---|
| Subtypes | Rigid PVC (UPVC), CPVC, Clear PVC, Flame retardant, Food grade, UV resistant |
| Available Finish | As machined, Polishing, Welding |
| Price | $ |
| Lead Time | 15-25 days (batch) |

Hydrolysis-resistant and repeatably sterilizable — trusted for medical and baby products
| Color | Amber transparent |
|---|---|
| Subtypes | PSU, PPSU, Glass filled PSU, Medical grade, Food grade, Wear grade |
| Available Finish | As machined, Stress-relief annealing, Polishing |
| Price | $$$ |
| Lead Time | 15-25 days (batch) |
Explore our full range of post-processing and surface finishing services.

Aluminum Type II anodizing in 50+ colors, decorative and corrosion resistant.
| Color | Clear, Black, Gold, Red, Blue |
|---|---|
| Applicable Materials | Aluminum, Titanium |
| Thickness | 5-25 μm |
| Price | $$ |
| Lead Time | About 3 business days |

Aluminum Type III anodizing, thick wear-resistant insulating layer.
| Color | Gray, Black |
|---|---|
| Applicable Materials | Aluminum |
| Thickness | 25-150 μm (Type III) |
| Price | $$$ |
| Lead Time | About 5 business days |
Surface Treatment
Aluminum chromate conversion coating, corrosion resistant and conductive.
| Color | Gold, Clear |
|---|---|
| Applicable Materials | Aluminum |
| Thickness | 0.5-3 μm |
| Price | $ |
| Lead Time | About 2 business days |

Electroless nickel, uniform deposit, corrosion and wear resistant.
| Color | Silver |
|---|---|
| Applicable Materials | Steel, Copper, Aluminum |
| Thickness | 5-25 μm |
| Price | $$ |
| Lead Time | About 4 business days |

Zinc plating for steel, clear/yellow/black passivation, cost effective.
| Color | Silver, Yellow, Black |
|---|---|
| Applicable Materials | Steel, Iron |
| Thickness | 5-25 μm |
| Price | $ |
| Lead Time | About 3 business days |

Chrome plating, decorative and hard, boosts hardness and appearance.
| Color | Silver (bright) |
|---|---|
| Applicable Materials | Steel, Brass, Copper |
| Thickness | 0.25-1 μm |
| Price | $$$ |
| Lead Time | About 5 business days |

Stainless steel passivation removes free iron, ASTM A967 compliant.
| Color | — |
|---|---|
| Applicable Materials | Stainless Steel |
| Thickness | — |
| Price | $ |
| Lead Time | About 2 business days |

Powder coating, durable UV and chemical resistant, rich colors.
| Color | Various (RAL/Pantone) |
|---|---|
| Applicable Materials | All metals |
| Thickness | 60-120 μm |
| Price | $$ |
| Lead Time | About 4 business days |
Surface Treatment
Wet painting with custom colors, epoxy/polyurethane/enamel systems.
| Color | Various (RAL/Pantone) |
|---|---|
| Applicable Materials | All metals and plastics |
| Thickness | 20-35 μm |
| Price | $$ |
| Lead Time | About 4 business days |
Surface Treatment
Bead blasting for uniform matte finish, removes marks and burrs.
| Color | Matte Silver |
|---|---|
| Applicable Materials | All metals |
| Thickness | — |
| Price | $ |
| Lead Time | About 2 business days |

Polishing to mirror or near-mirror finish, refined and clean.
| Color | Mirror finish |
|---|---|
| Applicable Materials | All metals |
| Thickness | Ra 0.2-0.8 μm |
| Price | $$ |
| Lead Time | About 3 business days |
Surface Treatment
Brushing for consistent straight grain, premium satin look.
| Color | Satin finish |
|---|---|
| Applicable Materials | All metals |
| Thickness | — |
| Price | $ |
| Lead Time | About 2 business days |

Silk screening on plastic/metal, clear durable single or multi-color.
| Color | Single / multi colour (Pantone) |
|---|---|
| Applicable Materials | ABS, PC, PMMA, PET and other plastics |
| Thickness | 5-20 μm |
| Price | $ |
| Lead Time | About 2 business days |

Laser engraving, non-contact permanent marks, precise and traceable.
| Color | Light grey / dark (depends on material) |
|---|---|
| Applicable Materials | ABS, PC, POM, PEEK, Nylon |
| Thickness | 0.05-0.5 mm |
| Price | $$ |
| Lead Time | About 2 business days |

Vacuum metallizing for metallic look, dense and wear resistant.
| Color | Silver, gold, chrome |
|---|---|
| Applicable Materials | ABS, PC, PMMA |
| Thickness | 0.5-2 μm |
| Price | $$$ |
| Lead Time | About 4 business days |

Plastic painting hides base color, matte/gloss, brand-color custom.
| Color | Various colours (matte / gloss) |
|---|---|
| Applicable Materials | ABS, PC, PMMA, PA and other plastics |
| Thickness | 20-40 μm |
| Price | $$ |
| Lead Time | About 3 business days |
Whether you require rapid machining, small-batch machining or high-volume manufacturing, we offer CNC machining solutions that scale with your project, maintaining quality, precision and fast turnaround times.
Explore Our ServicesWe operate 3 self-owned factories in Dongguan, where our in-house CNC capacity enables 1-day lead times. Equipped with standard CNC machines, including grinders, wire cutters and EDM machines, as well as automated production lines. As a self-owned factory there is no middleman markup, so lead time and quality are better guaranteed. We provide precision manufacturing, smooth communication and reliable global logistics for prototype and production orders.


One-stop in-house capacity across CNC machining, sheet metal, injection molding and surface treatment — no middlemen, you keep control of both lead time and quality.
Founded in 2005, focused on demanding metal parts machining, serving 20,000+ customers worldwide.
3-axis, 4-axis and 5-axis machining centers plus mill-turn cells — flexible for any volume.
High-speed centers with in-line gauging hold critical tolerances within ±0.01mm.
Prototypes in as fast as 2-3 days, production in 7-15 days — lead times written into the contract.

Mirror-grade finish and micron-level precision, with 100% inspection before shipment.
Mirror-grade polishing delivers a bright, smooth, high-gloss surface.
Soft fixturing and fully protected handling eliminate clamp marks and scratches.
100% outgoing inspection with CMM verification against your 3D model.
Batch-controlled anodizing and coating keeps color within ΔE consistency.
With strict adherence to industry tolerances, our CNC machining services ensure consistent accuracy for all machined parts, allowing each component to integrate perfectly.
Optimize your parts for cost-effective CNC manufacturing with our design guidelines. Our engineers provide design-for-manufacturability (DFM) feedback before production, helping you move smoothly from prototyping to production.
Your success depends on reliable parts. Our CNC machining services provide precision machining with a 90% first-pass yield, delivering quality machined parts for both prototypes and production runs.



Our ISO 9001 certified CNC machining facilities, together with ISO 14001 and IATF 16949, meet the highest international standards for quality and compliance.
We have more than 30 quality engineers and over 20 advanced inspection tools, including CMMs, 2D measuring systems and XRF analyzers, ensuring accurate dimensions and consistent performance in every project.
Each stage, from raw material to final inspection, follows strict quality control procedures, with full inspection reports and material certificates available.
Related to 5-Axis CNC Machining
Yes, our 5-axis equipment is specifically designed for difficult-to-machine materials. We have extensive experience machining Inconel, titanium alloys, Hastelloy, and other superalloys commonly used in the aerospace and energy industries.
5-axis simultaneous motion means all five axes move during cutting, enabling complex 3D contour machining. 5-axis positioning (3+2) locks rotary axes at specific angles, then uses standard 3-axis movement. Continuous 5-axis suits complex profiles; positioning 5-axis is better for multi-face prismatic parts.
Conventional lathes with live tooling have limited milling capabilities—typically restricted to drilling and light milling. True 5-axis machining centers feature full milling capability, equipped with a C-axis, Y-axis, and multiple tool stations, enabling complex operations such as pocket milling, profile milling, and helical milling on turned components.
We accept STEP, IGES, SolidWorks, Parasolid, and STL files. For 5-axis projects, STEP format is strongly recommended to preserve complete surface geometry and achieve optimal toolpath generation.
Choose 5-axis machining for complex 3D surfaces, deep cavities with small radii, undercuts, or when the highest precision is needed on multi-feature parts. 5-axis excels on impellers, turbine blades, sculptured surfaces, and any geometry requiring simultaneous rotary and linear axis movement.
In 3-axis CNC machining, the tool moves along straight X, Y, and Z axes. In 4-axis machining, a rotary A-axis is added, allowing the workpiece to rotate. This enables the machining of complex features on multiple sides without re-fixturing.
Yes. We specialize in mass production with a 100-piece MOQ and can handle batches of 100,000+ units. Volume-based tiered discounts apply.
4-axis machining adds rotational capability, allowing features on multiple faces to be machined in a single setup. This reduces clamping time, improves accuracy between faces, and enables the production of cylindrical profiles and continuous spiral geometries.
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Expert CNC aluminum DFM guide: ISO 261 drill formulas, blind hole depth, & thread tolerances for reliable, aerospace-grade assemblies.
Send your STEP / DWG / PDF drawing and get a detailed quote with free DFM analysis and process recommendations within 2 hours. No minimum order — from 1 piece.