Aluminum CNC Tolerances & Inspection Standards
Explore aluminum CNC tolerances from ±0.1 to ±0.01 mm, covering process selection, thermal effects, inspection, and practical failure-prevention strat…
We know every industry's precision and finish standards — and turn strict demands into stable delivery
ISO 9001:2015 | AS9100D | ITAR
For each industry we configure the machining processes, materials and typical parts.
Lightweight and highly reliable — micron precision for the sky
High-stability precision parts for semiconductor equipment — mirror-grade finish, micron-level accuracy
Medical-grade cleanroom precision — no compromise on safety
Precision joint parts that make every motion smooth and exact
Durable parts that withstand harsh conditions and run long and steady
High-precision structural parts that keep connections rock-solid
Durable automation parts that keep production lines running
Automotive-grade precision parts — consistent batches, safe and durable
AV structural parts whose premium texture wins users over
Precision structural parts for imaging equipment — stability meets premium texture
Appearance and precision in one — digital products with class
Precision components that shrug off vibration and weather
Lightweight parts that make every ride easier
High-gloss aluminium keyboard shells — quality you can see and touch
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 |
We 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.
Dive deeper into how digital manufacturing can transform your product development -- from collaborative partnerships to full life-cycle support and quality certifications.
See how innovative companies are using digital manufacturing to solve complex development challenges and launch successful products to market fast.
Learn MoreWe are your single resource from rapid prototyping to end-use production -- and everything in between. Learn how our scalable manufacturing supports every stage of your product life cycle.
Learn MoreWe have an unwavering commitment to quality and compliance. View our gallery of accreditations and find an overview of our current ISO and regulatory certifications across all industries.
Learn MoreAnswers to common questions about our industry-specific CNC machining capabilities, quality systems, and how to get started.
Related to Industries
We provide precision CNC machining services for numerous industries, including automotive, communication, medical, audio, automation, 3C electronics, motorcycle, bicycle, aluminum alloy keyboard cases, aerospace, semiconductor, photography equipment, and energy. Each industry benefits from our certified quality systems, specialized material expertise, and engineering support tailored to their regulatory and performance requirements.
We hold ISO 9001:2015, AS9100D for aerospace and defense and medical devices, and IATF 16949 for automotive certifications, and have completed ITAR registration. These certifications ensure your parts comply with the highest global regulatory standards.
Yes. Our engineering team provides free DFM analysis and material recommendations, tailored to your industry requirements. We evaluate design manufacturability, suggest optimal materials balancing performance and cost, and identify potential issues before production starts—saving you time and costs.
Simply upload your CAD file through the quote page or contact our engineering team on WhatsApp. We will review your requirements and provide a detailed quotation with the best material and process recommendations within 24 hours.
Standard CNC machining achieves tolerances of ±0.05 mm. With coordinate measurement, precision work consistently reaches ±0.02 mm, while high-accuracy parts can attain ±0.01 mm. Surface finish is as fine as Ra0.4 μm. Mark critical dimensions and GD&T requirements directly on your drawing.
A machining center is a CNC machine equipped with an automatic tool changer and multi-axis capabilities. It can perform multiple operations, including milling, drilling, and tapping, in a single setup, thereby enhancing precision and efficiency.
We operate 72 CNC machines, including 3/4/5-axis milling, CNC turning, swiss lathes, and turn-mill centers. Additional EDM, wire cutting, and grinding machines are available. We specialize in batch production with a 100-piece MOQ and can handle batches of up to 100,000 units.
Yes. We focus on batch production with a 100-piece MOQ and handle 10,000+ units per batch. Unified parameters and QC ensure consistent precision across all volumes.
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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.