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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 |
Description
Product Specifications:
- Model number: RH404022-5/8R-US4
- Material: Iron
- Product Dimensions: 4"L x 4"W
- Radius: 5/8" Radius Corners
- Thickness: 2.2 mm
- Finish Style: Satin Brass(US4)
- Pin type: Removable Pin
- Hole Count: 8
- Function: Highly Rust Resistant
- Mounting Type: Door Mount
Model #: RH404022-5/8R-US4(RH4002)
4” x 4” · Plain Bearing · Residential Weight
5 Knuckles · Non-template · 5/8” Radius Corners Removable Pin
Steel material with steel pin,
Reversible, with Phillips flat-head screws. Equivalent to: Hager’s RC1842

Hinge Size (hgt. x wdth.) |
Number |
Gauge of |
Pin |
Screw Size |
Quantity |
Avg. Weight |
|||
Inches |
Millimeters |
Holes |
metal |
Diameter |
Machine |
Wood |
Inner Box |
Case |
Per Case (lbs.) |
4” x 4" |
101.6 x 101.6 |
8 |
0.087" |
0.232" |
None |
#9 x 1" |
Bulk |
100 Pcs. |
52 |
CODE |
FINISH |
DESCRIPTION |
CODE |
FINISH |
DESCRIPTION |
21140 |
US3 |
Polished Brass |
21145C |
US15 |
Unbrushed S. Nickel |
21141 |
US4 |
Satin Brass |
21146 |
US15A |
Antique Nickel |
21142 |
US5 |
Antique Brass |
21147 |
US26 |
Polished Chrome |
21143 |
US2D |
Zinc Dichromate |
21148 |
US26D |
Satin Chrome |
21144 |
US10A |
Antique Bronze |
21149 |
USP |
Prime Coat |
21145 |
US10B |
Oil-rubbed Bronze |
21149S |
US32D |
Satin S. Steel |
21145A |
US12P |
Tuscany Bronze |
21149W |
USP |
Prime Coat-White |
21145B |
US15 |
Brushed Satin Nickel |
|
|
|
TDC 4" x 4" Residential Hinges – Built for Performance
Industrial-Grade Durability & Finish Options
TDC’s 4" x 4", 5/8" radius hinges are engineered for demanding residential, commercial, and industrial applications. Available in Satin Nickel, Polished Brass, Oil-Rubbed Bronze, Antique Brass, Matte Black, Stainless Steel, and Custom Finishes, these hinges ensure exceptional corrosion resistance, durability, and long-term performance in high-traffic environments.
Precision-Engineered for Strength
Crafted from high-grade steel, these hinges feature a reinforced 5-knuckle design and precision-machined steel pin, delivering superior load-bearing capacity, smooth operation, and extended lifespan. Designed for heavy-duty applications, they withstand continuous use without compromising performance.
Optimized for Professional Installations
- Size: 4" x 4" (101.6mm x 101.6mm)
- Corner Radius: 5/8" for seamless compatibility with pre-routed doors and frames
- Material: High-strength steel with advanced anti-corrosion coatings
- Pin Options: Removable Pin (RP) for standard applications or Non-Removable Pin (NRP) for security needs
- Versatility: Suitable for residential, commercial, and institutional doors
Customized for Bulk Orders & Project Needs
TDC specializes in high-volume production and tailored solutions for B2B clients. We offer bulk purchasing flexibility, customized specifications, and private-label manufacturing, ensuring cost-effective procurement and seamless integration into large-scale projects.
How to Install Hinges?

Why Choose us

TDC product certification
Why Choose TDC as Your Trusted Hinge Manufacturer


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