Top Proto Custom Die Casting Services
Top Proto Supplies is a reliable supplier of custom die casting in high quality metal parts that it provides high accuracy and finish.
- All uploads are secure and confidential
Get instant pricing, project lead times, and DFM feedback.
- All uploads are secure and confidential.
What is Die Casting?
Die casting is one of the accurate processes whereby molten metal is pressed into a steel mold under high pressure to create complex and highly accurate components.
At Top Proto, our die casting solutions are used in medium to high volume production and are therefore cost effective to industries that need repeatable, strong, and dimensional consistency
Why Top Proto Die Casting Services?
Top Proto is a manufacturer of trustworthy, precision, and long-lasting custom die castings. It is because our highly-developed and efficient capabilities guarantee steady quality on any run and make us a reliable partner when it comes to demanding applications. Our quality control is rigorous and our engineers are also experienced hence we enable you to scale production without compromising precision.
Design Guidelines For Die casting
| Feature | Guideline |
|---|---|
| Process Types | High-pressure aluminum and zinc die casting |
| General Tolerances | ±0.1 MM to ±0.2 MM, depending on part geometry |
| Minimum Wall Thickness | 0.8 MM (zinc), 1.0 MM (aluminum) |
| Maximum Part Weight | Up to 10 kg (aluminum), 5 kg (zinc) |
| Surface Finish | As-cast, polished, powder coated, anodized |
| Tooling Life | 50,000 to 500,000+ shots |
| Production Volume | Medium to high-volume manufacturing |
| Secondary Operations | CNC machining, drilling, tapping, finishing |
| Quality Inspection | CMM inspection, visual checks, and material reports |
Our Custom Die Gallery Parts
Explore our portfolio of high-precision components, showcasing advanced technology and engineering excellence. From intricate milling to high-speed turning, each part reflects our commitment to ISO-certified quality and technical perfection.
Industry Expertise at Top Proto
With millions of parts successfully produced, TOP PROTO Machining brings extensive expertise across a wide range of applications. We specialize in industries that demand precision and complex component manufacturing. No matter the challenge, you can rely on us for exceptional quality and proven experience.
Rapid Tooling
Rapid tooling let’s you go faster to go from an idea to functional parts. With our advanced CNC machining service, we create molds and tooling with precision needed to test designs, validate fit, and function and bring products to market faster. It’s perfect for prototypes, low volume runs, and early-stage development where outworking competitors is critical and precision matters most.
Production Tooling
For our production tooling, we prioritize long-term durability. With top grade materials and precision CNC machining, we make tooling that allows full-scale production without losing accuracy. If you need thousands of the same parts, and even with batch production, we deliver consistent, reliable tooling and stable production cycles.
Made in China, Precision You Can Rely On
Located in China, our facilities are equipped with cutting-edge technology to handle everything from rapid prototyping to full-scale production. With skilled technicians and meticulous quality control, we guarantee custom plastic and metal parts delivered with speed, precision, and no middlemen involved.
Machines, All Running at Peak Efficiency
Ultra-Fine Tolerances Starting at 0.01 mm
Fast Lead Times Starting from 24 Hours
Materials Available for Every Project
Choose Us for Flexible Pricing and Quick Delivery
At TOP PROTO, we know price and timeline go hand in hand. Our CNC machining services can work around your budget and deliver on your deadline. Get a quote instantly and select the service to meet your requirements.
- Competitive pricing with quality always remains.
- Fast lead time to complete the project quickly.
Pros of Die Casting
- Economical:Saves on material wastage and provides cost effective production.
- Customizable: Accepts numerous and intricate shapes and profiles.
- Large Strength to Weight Ratio: Light but strong enough to be used for many different purposes.
- Superior Finish: Coats the surfaces with smooth ones, which are ideal for anodizing and coating.
- Productive with large volumes: Enables the rapid and regular manufacturing of large volumes of products.
Quality Assurance & Compliance
We stay true to industry standards that have to do with quality and safety, like ISO 9001:2015 and AS9100. We assess and check every part multiple times to ensure that inspections have been done thoroughly and that we can offer no exceptions to your needs.








What Makes Top Proto Different from Others
Frequently asked questions
What materials that Top Proto use in die casting?
Top Proto deals with zinc and aluminum. These alloys provide lightweight components, that are tough and precise, which suit most industrial tasks.
Is die casting appropriate in high-volume production?
Yes. Die casting is the best one with medium-to-large batches. It provides concurring quality and reduced per part costs when scaling up.
What are the tolerances that die casting can produce?
Acceptable tolerances are -0.1mm to -0.2mm. Accurate values will depend on the design of a part and the material to be used.
Is it that you provide secondary operations following die casting?
Yes. We offer CNC machines, drilling, tapping, polishing and surface finishing to finish the part.
What industries are the customers of your die casting?
Our customers are automotive, electronic, industrial equipment, and consumer products.