Zinc Plating Service
Our zinc plating services provide an environmentally friendly and cost-effective way to protect metals such as carbon steel and brass from corrosion. Zinc plating or “electroplating” acts as a sacrificial anode to protect the substrate.
- Premium Quality with Affordable Prices
- ISO 9001:2015, ISO 13485, IATF 16949:2016 Certified
- Fast Turnarounds (Within 12-24 Hours)
Choose ProleanMFG for Zinc Plating Services
One of the advantages offered by ProleanMFG Works is our ability to accommodate multiple part designs with our capability to apply electroplated zinc coatings on either our barrel zinc electroplating line or our rack zinc electroplating line. High-volume parts that can be processed in bulk are good candidates for our barrel zinc electroplating lines.
While more intricate part designs or heavy parts can be individually processed on our automatic rack zinc electroplating line. Zinc plating is applied to many different types of small parts, including fasteners, nuts, bolts, springs and many others.
Why Choose ProleanMFG For Your Zinc Plating Services
Certified Premium Quality with Affordable Prices
Our strict quality control procedures, which include CMM inspection, dimensional reports, and material certifications upon request, ensure that every part meets your specifications and expectations.
And our ISO 9001:2015-certified machining processes guarantee precision CNC machined parts with tight tolerances, consistent accuracy, and excellent surface finishes, and we make sure all at an affordable price.
Fast Lead Times with Reliable Delivery
From rapid prototypes to production runs, we offer short lead times as fast as 1 day. Our efficient workflow and advanced 5-axis CNC machining centers keep your projects moving without delays.
Dedicated Engineering Support with Design Feedback
Upload your 2D drawings or 3D CAD files, and our skilled engineers will personally review your design, provide optimized pricing, and suggest adjustments to improve manufacturability and save costs.
From quotation to final delivery, our experienced support team is always available to assist with design advice, material recommendations, production updates, and post-delivery care.
Flexible Prototyping & Production Volumes
Whether you need a single prototype or large-volume production, we have no minimum order quantity (MOQ) and can handle orders of any size with equal care and precision.
Wide Material & Finish Selection
Choose from over 100+ metals and plastics, including aluminum, stainless steel, PEEK, nylon, and more. Available surface finishes include anodizing, powder coating, polishing, and electroplating.
Global Reach with Advanced Capabilities
We serve customers worldwide while providing personalized, responsive service to every client, ensuring you get reliable CNC machining solutions tailored to your specific needs.
Zinc Plating Overview
Zinc plating, also called electroplating, is a cost-effective finishing process that enhances the durability and appearance of metal parts. By depositing a thin layer of zinc onto base metals such as steel, iron, and brass, it provides strong corrosion and rust resistance while improving surface finish. The zinc coating acts as a sacrificial anode, protecting the underlying metal from damage and extending its lifespan.
This versatile process is widely used across industries including automotive, aerospace, construction, and electronics. With options like clear, yellow, and black zinc plating, manufacturers can achieve both aesthetic appeal and functional protection, ensuring components meet industry standards and perform reliably in demanding environments.
Benefits of Zinc Plating
Choosing zinc plating services offers a wide range of advantages for manufacturers, OEMs, and product designers. By applying a thin zinc coating to metals such as steel, iron, or brass, the process delivers outstanding corrosion resistance while keeping production costs low.
Some of the key benefits include:
⦁ Superior Corrosion Protection: Zinc acts as a sacrificial layer, preventing rust and extending product life.
⦁ Cost-Effective Coating: More affordable than many alternative finishes, making it ideal for both small batches and large-volume production.
⦁ Lightweight & Durable: Adds minimal weight while improving the strength and reliability of components.
⦁ Attractive Finish: Available in clear, yellow, or black zinc plating, offering a sleek appearance along with functionality.
⦁ Eco-Friendly Solution: Zinc is recyclable and RoHS-compliant, making it a sustainable choice for modern manufacturing.
Whether you require clear zinc plating for a clean, metallic look or yellow and black finishes for added durability, our team ensures every component is protected, reliable, and built to last.
Applications of Zinc Plating Services
⦁ Fasteners (Bolts, Nuts & Washers): Zinc plating adds a protective layer to fasteners, preventing rust and wear, making them ideal for automotive, construction, and heavy machinery use.
⦁ Medical Devices: Provides a hygienic, corrosion-resistant surface for surgical tools and equipment, ensuring safety and long-lasting performance in healthcare environments.
⦁ Dental Instruments: Enhances durability and prevents oxidation, making dental devices more reliable for frequent use.
⦁ Component Parts: From automotive components to electronic parts, zinc plating increases strength, conductivity, and resistance to harsh conditions.
⦁ Metal Fabrications: Ensures fabricated metal products have a sleek, polished look while maintaining high resistance to corrosion and environmental damage.
Zinc Plating Services – Finishes Options Available
1. Barrel & Rack Plating
We provide both barrel zinc plating for high-volume parts like screws, bolts, and washers, and rack plating for larger or complex components. This ensures uniform coating, strong corrosion resistance, and a professional finish.
2. Acid & Alkaline Zinc Coating
Our acid zinc plating is ideal for hardened steel parts, offering smooth adhesion and durability. Alkaline zinc plating delivers excellent coverage in deep recesses, threads, and intricate shapes, ensuring long-lasting protection and a bright, clean appearance.
3. Conversion Coatings & Compliance
We offer RoHS-compliant trivalent coatings as well as non-RoHS hexavalent options. Finishes include clear, yellow, olive drab, black, and green. Additional passivation treatments enhance corrosion resistance and extend product life across industries.
Industries We Are Serving
Our 5 Axis CNC machining services support a wide range of industries that demand precision, complex part geometries, and superior surface finishes. We proudly serve the aerospace, automotive, medical, energy, marine, and mold-making industries, delivering custom, high-performance components with tight tolerances and flawless accuracy.
Precision-machined parts for vehicle systems, EV components, and performance upgrades — built to meet industry safety and reliability standards.
High-performance, tight-tolerance parts for aircraft, drones, defense systems, and satellites, manufactured to aerospace-grade specifications.
Custom CNC components for surgical tools, diagnostic devices, and healthcare equipment, produced with medical-grade materials and ISO-certified processes.
Machined parts for robotic systems, end-effectors, and automation equipment — helping engineers bring next-gen technology to life.
Consumer Goods
Custom CNC parts for household products, lifestyle gadgets, and new product launches — combining quality, functionality, and cost-efficiency.
Electronics Industry
Precision housings, brackets, and electronic enclosures are machined to tight tolerances for consumer electronics and industrial devices.
Automation Industry
Reliable, high-precision components for assembly lines, automation systems, and industrial machinery — keeping production smooth and efficient.
New Energy
Machined parts for robotic systems, end-effectors, and automation equipment — helping engineers bring next-gen technology to life.
Zinc Plating FAQ's
Why choose zinc plating over other coatings?
Zinc plating offers cost-effective corrosion resistance, a clean finish, and sacrificial protection that paint or powder coating cannot provide.
How long does zinc plating last?
With the right thickness and passivation, zinc plating can protect parts for years—even in harsh outdoor or marine environments.
Will zinc plating peel or chip?
No. Unlike paint, zinc plating bonds electrochemically to the surface, ensuring a durable, flake-free finish.
Is hydrogen embrittlement an issue with zinc plating?
Not with proper treatment. We use post-bake processes to eliminate hydrogen embrittlement in high-strength steels.
Is zinc plating environmentally friendly?
Yes. Our trivalent passivation process is RoHS- and REACH-compliant, making zinc plating safe and eco-friendly.
Is zinc plating cost-effective?
Absolutely. It delivers strong corrosion protection and attractive finishes at a fraction of the cost of nickel or chrome plating.
Does zinc plating improve appearance?
Yes. Options like clear, yellow, black, and olive drab finishes give your parts both protection and visual appeal.
What industries use zinc plating?
Automotive, aerospace, electronics, construction, and hardware industries rely on zinc plating for reliable, long-lasting protection.
Does zinc plating affect part dimensions?
Minimal. Coating thickness ranges from 5–25 microns, keeping parts precise while adding protection.
How fast is your zinc plating service?
Our streamlined process ensures quick turnaround times without sacrificing quality or durability.
