Your Most Reliable Fasteners Manufacturer Made in Taiwan Since 1980

Rainbow Hardware Co., Ltd. offers years of fasteners manufacturing expertise and experiences. 100% Made in Taiwan. We take fastening seriously — delivering quality, integrity, and customized solutions globally.

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About Rainbow Hardware

Established in 1980, Rainbow Hardware Co., Ltd. is a trusted manufacturer and supplier of high-quality fasteners made entirely in Taiwan. With over four decades of experience, we specialize in both standard and customized fastening solutions for industries worldwide.

Our commitment to excellence, innovation, and customer satisfaction has positioned us as a leading partner in the global fasteners market. From automotive to electronics, construction to medical devices, our precision-engineered components ensure reliability and performance.

1980

Established

655+

Products

329

Global Customers

100%

Made in Taiwan

Our Core Values

Driving excellence through integrity, speed, and quality

⚡

SPEED

Fast prompt replies, short lead times, and flexible Just-In-Time delivery options to keep your production moving without delays.

✅

QUALITY

Wide product portfolio with reliable, ROHS-compliant quality that meets exact customer specifications and international standards.

🤝

INTEGRITY

Honest, transparent partnerships. We deliver cost-effective solutions with the highest work ethics and long-term reliability.

Our Product Categories

Precision-engineered fasteners for every industrial need

Hex Nuts

Standard and heavy hex nuts in various grades and finishes. Ideal for automotive and construction applications.

Cap Nuts

Domed cap nuts for aesthetic and protective applications. Commonly used in furniture and consumer electronics.

Precision Screws

Micro and small screws for electronics, medical devices, and optical equipment with tight tolerances.

Custom Fasteners

Fully customized designs based on client drawings or samples. Rapid prototyping and low-volume production.

Stud Bolts

Double-end studs and fully threaded rods for high-strength applications in machinery and infrastructure.

Wall Anchors & Plugs

Plastic and metal wall plugs for construction and DIY applications. Corrosion-resistant and durable.

🔧

Hand Tools & Accessories

Tool sets, drivers, and associated hardware for industrial and maintenance use.

⚙️

Machined Components

CNC-machined parts, pins, spacers, and specialty fasteners for automation and instrumentation.

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Our Professional Services

We provide total solutions and full integration of all manufacturing processes, ensuring seamless production from concept to delivery.

✓ Multi-forming heading and cold forging
✓ Threading, lathe, and CNC machining
✓ Stamping presses and precision tooling
✓ Secondary processing: grinding, polishing, drilling, tapping
✓ Heat treatment and electro-plating (zinc, nickel, chrome)
✓ ROHS-compliant and eco-friendly production processes

Why Choose Us?

🌍

Global Export

Serving customers across Asia, Europe, North America, and beyond.

📈

Competitive Pricing

High-value fasteners with cost-effective solutions.

🧠

Expert Team

Skilled engineers and competent workers with decades of experience.

Our Fastener Applications

Serving diverse industries with precision fastening solutions

🚗

Automotive

Engine, chassis, and interior fasteners for cars and commercial vehicles.

🏍️

Motorcycle & Auto Parts

High-strength bolts and specialty screws for performance and durability.

🚴

Bicycle & Bike Parts

Lightweight, corrosion-resistant fasteners for frames and components.

🏗️

Building & Construction

Galvanized and stainless fasteners for structural and finishing applications.

💻

Electronics & Technology

Micro screws and precision fasteners for devices and circuit assemblies.

🔒

Locks & Security

Tamper-resistant and high-security fasteners for access control systems.

Industry Insights

Latest technical knowledge and fastener innovations

Technical • May 7, 2024

A Stronger and More Durable Fastening Using Lock Nuts

Discover how lock nuts prevent loosening under vibration and dynamic loads.

Technical • Mar 29, 2024

Exploring the Distinctions Between Bolts and Studs

Learn when to use bolts vs. studs in high-stress mechanical applications.

Technical • Mar 22, 2024

Ideal Components for Construction: Galvanized Fasteners

Why galvanized fasteners are essential for outdoor and structural use.

Get in Touch

Ready to discuss your fastener needs? Contact Rainbow Hardware today for expert support and customized solutions.

Visit Official Website

Explore our full product range, download catalogs, and connect with our team directly through our official site.

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