Zinc Die Casting Parts
Wochang Metal produces precision zinc alloy die castings (Zamak 3/5) for OEM buyers in USA, Europe & Asia. Tight tolerances, in-house tooling, ISO 9001 & IATF 16949 certified.
Description
Custom Zinc Die Casting Parts
Your professional die-casting supplier
Zinc die casting parts are widely used in different areas.It is the go-to process when you need small, complex, high-precision parts with a smooth as-cast surface and excellent dimensional stability. Unlike aluminum, zinc flows easily at lower temperatures, which means you can cast thinner walls, tighter tolerances, and finer details - often without secondary machining.
In our Factory, we've been casting zinc alloy components since 2012. Based in Dongguan, China, our 15,000 m² facility runs hot-chamber die casting machines dedicated to zinc alloys, supported by in-house mold making and CNC machining.
Zinc Die casting parts Advantage
Zinc alloys - commonly called Zamak - have some unique advantages that aluminum can't match:
Thinner walls: down to 0.3–0.5 mm on small parts
Tighter as-cast tolerance: often ±0.025 mm right off the die
Superb surface finish: smooth enough for chrome plating or powder coating with minimal prep
Lower melting temperature: around 380–400°C vs. 660°C for aluminum, which means longer die life
Excellent corrosion resistance: especially when passivated or plated
Our Capabilities
Hot-chamber die casting machines ranging from 88T to 400T clamping force
Part weight: from 5 grams to approximately 1.5 kg
Dimensional tolerance: as-cast ±0.025 mm on critical features; tighter after CNC
Secondary operations: CNC milling, turning, drilling, tapping, threading
Surface finishes: chrome plating (bright / satin), nickel plating, powder coating, anodizing, sandblasting, polishing, passivation
We make our own dies in-house. For zinc parts, lead times for a new mold typically run 20–30 days - faster than aluminum because zinc die casting molds wear less.
Typical Zinc Die Casting Products We Make
Connector housings and shield cans for telecom and electronics
Automotive small parts: door handle components, lock housings, sensor mounts
Furniture hardware: fittings, brackets, decorative covers
Bathroom and plumbing parts: valve bodies, shower components
Toys and model components: small detailed parts
Zamak jewelry findings and accessories
Metal crafts and decorative items
Quality Control
We operate under ISO 9001:2015 and IATF 16949:2016. Zinc die-casting parts go through the same inspection regime as our aluminum castings: first-article inspection, in-process SPC checks, CMM verification on critical dimensions, and final visual. Material certificates and plating test reports are available on request.
FAQ
Q: What's the minimum order quantity for zinc die casting parts?
A: For small zinc die casting parts, MOQ is typically 2,000–5,000 pieces. We can do T1 sampling (10–50 pieces) before full production.
Q: Can zinc parts be chrome plated?
A: Yes - this is actually one of the most common reasons buyers choose zinc over aluminum. Zinc takes decorative chrome and nickel plating extremely well.
Q: How does zinc die casting cost compare to aluminum?
A: Zinc has a higher material cost per kg, but because it allows thinner walls and tighter tolerances, the finished part often costs less overall - especially when you eliminate secondary machining.
Q: Do you provide design for manufacturing (DFM) review?
A: Yes. Send us your 3D files (STEP, IGES) and we'll review draft angles, wall thickness uniformity, gating, and ejector pin placement before cutting steel.
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