3" x 4" Black Stainless Steel Ball Bearing Hinges
Industrial-Grade Durability & Finish Options
TDC’s 3" x 4" square hinges are designed for high-performance applications in residential, commercial, and industrial settings. Available in Satin Nickel, Polished Brass, Oil-Rubbed Bronze, Antique Brass, Matte Black, Stainless Steel, and Custom Finishes, these hinges provide superior corrosion resistance, long-term durability, and a refined aesthetic suitable for various architectural and functional requirements.
Model Number: CHS403030BB-US1D
Finish Style: Matte Black
Certifications:
ANSI/BHMA Grade 1, UL 10C Fire Rated
Size:
Surface Finish:
Corner Radius:
Lead time
Order today for the quickest dispatch: within 15 days .
Shipping fee and delivery date to be negotiated.Chat with supplier now for more details.
Lead time
The amount of time from order placement to dispatch
| Quantity | Lead time |
|---|---|
| 1+ pairs | 15 days |
| 5001+ pairs | 30 days |
| 50000+ pairs | To be negotiated |
Get A Quote
Description
Product Specifications:
- Model number: CHS403030BB-US1D
- Material: Stainless Steel
- Product Dimensions: 4"L x 3"W
- Radius: Square
- Thickness: 3.0 mm
- Finish Style: Matte Black(US1D)
- Pin type: Removable Pin
- Hole Count: 8
- Function: Highly Rust Resistant
- Mounting Type: Door Mount
Industrial-Grade Durability & Finish Options
TDC’s 3" x 4" square hinges are designed for high-performance applications in residential, commercial, and industrial settings. Available in Satin Nickel, Polished Brass, Oil-Rubbed Bronze, Antique Brass, Matte Black, Stainless Steel, and Custom Finishes, these hinges provide superior corrosion resistance, long-term durability, and a refined aesthetic suitable for various architectural and functional requirements.
About TDC HINGES：We are a professional door hinges manufacturer. We have over 35-year experience in hardware industry. With trustworthy quality, we can ensure you would have highly satisfied shopping experience
1-inch long screws can handle any door made of any material.
Suitable for a variety of scenarios
Creating a space surrounded by things you love
When you decorating your home, you can match the door hinges with the door handles, lock and cabinet hinges to match the furniture main color. Your personalized decoration can make your family spend a good time at home.
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Why Choose us
80+
EXPORT
35+
YEARS EXPERIENCE
15,000,000+
PRODUCTION CAPACITY
146+
SOID IN 146 COUNTRIES
400+
EMPLOYEES
80+
EXPORT
146+
SOID IN 146 COUNTRIES
15,000,000+
PRODUCTION CAPACITY
35+
YEARS EXPERIENCE
400+
EMPLOYEES
TDC product certification
Why Choose TDC as Your Trusted Hinge Manufacturer
Talk to ab OEM/ODM Specialist
Partnership with 100+ Brands Worldwide
Trusted by over 300 clients in 150+ countries, TDC helps partners grow through stable supply, reliable quality, and OEM support.
Factory-Direct Price & Consistent Quality
We use top-grade materials and ISO-certified processes with 85% automation, achieving 99% yield and stable performance—at competitive pricing.
100% Quality Assurance
Each hinge undergoes strict inspection. We guarantee low defect rates and offer 100% return support including freight.
High-Efficiency Production
TDC produces 500 million hinges annually with 50% higher efficiency and 40% faster output—powered by automated lines and smart systems.
Optimized Logistics Support
We pack smart, reduce costs, and offer flexible delivery terms (FOB, DDP, etc.), cutting carton size and freight by up to 35%.
Free Marketing Support
We offer sample kits, HD photos, packaging designs, and catalogs—helping you promote and sell better at no extra cost.
Delivering Excellence in Every Hinge
At TDC, quality is at the core of everything we do. From raw material selection to every stage of production, we follow strict quality control and advanced manufacturing processes to ensure consistent, high-performance results. Our commitment to craftsmanship is reflected in every detail—because we believe that true value comes from the perfect combination of durability, precision, and trust. That’s how we build long-term partnerships and sustainable growth.
Support equipment
laser cutting machine
Polishing
Milling machine workshop
Quality assurance
Production packaging line