Product advantages
Backed by a brand with decades of precision machining expertise and ISO9001 quality management, this precision anodized aluminum CNC-milled part (3.8 x 3.4 x 0.5) is produced with tight tolerances and controlled processes to guarantee consistent dimensional accuracy and reliability. The hard-anodized finish delivers superior corrosion and wear resistance while the lightweight aluminum body and CNC-finished edges provide stable mechanical performance for electronics, optics, and industrial assemblies. Key features and advantages include high repeatability, customizable finishes and hole patterns, excellent surface hardness, low weight, and traceable quality documentation that speeds integration and reduces maintenance.
Company profile
We are a precision manufacturing company specializing in CNC-milled, anodized aluminum components, certified to ISO9001 standards. Combining advanced 3- to 5-axis machining, controlled anodizing processes, and rigorous inspection, we deliver tight tolerances and consistent surface finishes for demanding industries. Our strengths lie in rapid prototyping, scalable production, material traceability, and turnkey OEM/ODM solutions. Value-driven services include competitive lead times, transparent quality documentation, and responsive engineering support to optimize designs for manufacturability and cost. Committed to continuous improvement, we prioritize customer satisfaction through on-time delivery, traceable quality records, and long-term partnerships that reduce risk and accelerate product development and global reach.
Enterprise core strength
We are an ISO9001-certified manufacturer specializing in precision CNC milled components, including anodized aluminum parts sized 3.8 x 3.4 x 0.5 mm. Combining advanced CNC machining, tight-tolerance QC, and durable anodizing finishes, we deliver consistent dimensional accuracy and corrosion resistance for demanding applications. Our agile production supports prototyping, small-to-large volumes, and custom specifications with rapid turnaround and competitive pricing. Comprehensive inspection, material traceability, and responsive technical support ensure reliable performance and easy integration. Committed to continuous improvement and customer success, we partner with OEMs and designers to translate engineering requirements into high-quality, repeatable components on time and within budget always.
Custom Aluminum Parts Machining and assemblies from aluminum are a common and cost-effective choice. For industries requiring tailored solutions, our Custom Aluminum Parts Machining services leverage advanced techniques to achieve optimal strength-to-weight ratios while ensuring cost efficiency. Aluminum is a soft, affordable material that is light and is corrosion-resistant. Precision machined parts made of aluminum are both lightweight yet strong which is ideal for many high-tech industries such as the medical, aerospace and electrical industries. Type aluminum alloy such as 6061-T6, 6063, 6082, 7075, etc.
![Aluminium CNC Milled Parts]()
| Product | High-precision aluminum CNC milled parts |
| Material | Aluminum Al6061 |
| Specification | Non-standard/Custom |
| Custom | OEM/ODM |
| Size | 3.8"L x 3.4"W x 0.5"H |
| Surface treatment | natural anodized |
| surface finish | Ra0.2um-Ra0.4um |
| Tolerance | ±0.02mm |
| MOQ | 1PCS |
| CNC Machining or Not | CNC Machining |
| Sample | Available |
| Place of Origin | Shenzhen China |
| Supply Ability | 10000 Pieces Per Month |
MAIJIN METAL CNC Milling Services
MAIJIN METAL, a high-precision CNC milling service factory from China, specializes in high-precision aluminum CNC milling parts tailored for a wide range of industries, offering custom milling and turning services.
Certificates: ISO9001, CE, RoHS, Sedex
Metals: Aluminum, Brass, Copper, Steel, Stainless Steel, Titanium
Plastics: ABS, Acetal, Acrylic, Nylon, Polycarbonate, PVC
Product Inspection: 100% Product Inspection
Tolerance: +/-0.01 mm
Special Areas: +/-0.005 mm
Surface Roughness: Ra0.8 ~ 3.2
MAIJIN METAL Offers Professional services For Custom Aluminum Cnc Milled Parts
Custom aluminum cnc machined parts project generally follows the specific requirements of the customer completely, depends on some work experience before is similar with the custom project, explore some feasible design solutions to try and at last finish the custom aluminum cnc machine parts project successfully. Firstly we will consider of cost-efficiency for the new project. Because cnc machining is 3d model design and tooling path optimization an improvement, without any mold investment, so its prototyping and mass production can be over in shorter time. JingXing handle the custom engineering design and their professional production operation, finish the custom project in short time. Provide the below professional services to the client.
Provide Engineering & Design for the custom cnc milling part:
CNC Programming & Process Planning is Made
Rapid Prototyping Service
Implement quality control on full-processing
Safety Packaging & Logistics
10+ Years Experience:
MAIJIN METAL has over 10 years of experience in custom aluminum parts machining, located in Shenzhen, China. MAIJIN's professional team adopts reasonable manufacturing solutions and workmanship to supply high-quality one-stop custom aluminum parts machining.
Focus:
MAIJIN METAL focuses on custom Non-standard CNC precision milling parts and custom aluminum parts machining such as fittings, valves, hydraulic components, electric motor parts, transmission and pump parts, sprocket wheels, wear parts for packing machines and electronic and medicinal components.
![CNC Milling Parts Manufacturer]()
CNC Machining Surface Finish Options：
Polishing, Anodized, Anodizing, Bead sand blasting, Chrome plated, Powder coated, PVD coating, Etching, Titanium coated, Vacuum coating, Nickel plating, Zinc plated, Chrome plated, Oxide black, and so on.
![Precision Anodized Aluminum CNC Milling Part ISO9001 3.8x3.4x0.5 5]()
![Precision Anodized Aluminum CNC Milling Part ISO9001 3.8x3.4x0.5 6]()
Custom Aluminum CNC machined Parts
At MAIJIN METAL, we offer custom CNC machining services, CNC milling, CNC turning with plastic and metal parts for short-run production or 10,000+ production. Applications include parts for automotive, medical, and industrial.
![Precision Anodized Aluminum CNC Milling Part ISO9001 3.8x3.4x0.5 7]()
Turbine Blade CNC Machining Project
The Turbine blade machining is almost very complex, require 5-axis cnc machining to reach its aim. Under the help of some high precision spectrum inspection instrument, create its high performance and specific functions.
![Precision Anodized Aluminum CNC Milling Part ISO9001 3.8x3.4x0.5 8]()
5-axis Machining Aluminum Automotive Parts
5-Axis Machining Services leverage CNC systems to process complex contours and thin-walled structures, adhering to stringent automotive industry protocols for critical component production.
