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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: RH353522-5/8R-US4
- Material: Brass
- Product Dimensions: 3.5"L x 3.5"W
- Radius: 5/8" Radius Corners
- Thickness: 2.2 mm
- Finish Style: Satin Brass(US4)
- Pin type: Removable Pin
- Hole Count: 6
- Function: Highly Rust Resistant
- Mounting Type: Door Mount
Model #: RH353522-5/8R-US4(RH3502 PB)
3.5” x 3.5” · Plain Bearing · Residential Weight
5 Knuckles · Template · 5/8” Radius Corners · Removable Pin
Steel material with steel pin. Reversible, with Phillips flat-head screws. Equivalent to: Hager’s RC1841, Stanley’s RD758

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.) |
3.5" x 3.5" |
88.9 x 88.9 |
6 |
0.087" |
0.232" |
None |
#9 x 3/4" |
Bulk |
100 Pcs. |
40 |
CODE |
FINISH |
DESCRIPTION |
CODE |
FINISH |
DESCRIPTION |
20110 |
US3 |
Polished Brass |
20115B |
US15 |
Satin Nickel |
20110C |
US3/4 |
Brass Plated |
20115C |
US15 |
Unbrushed Nickel |
20111 |
US4 |
Satin Brass |
20116 |
US15A |
Antique Nickel |
20112 |
US5 |
Antique Brass |
20117 |
US26 |
Polished Chrome |
20113 |
US2D |
Zinc Dichromate |
20118 |
US26D |
Satin Chrome |
20114 |
US10A |
Antique Bronze |
20119 |
USP |
Prime Coat |
20115 |
US10B |
Oil-rubbed Bronze |
20119A |
USL1 |
Luma Black |
20115A |
US12P |
Tuscany Bronze |
20119D |
US1D |
Matte Black |
20119S |
US32D |
Satin S. Steel |
|
|
|
TDC 3.5" x 3.5" Hinges – Precision-Engineered for Strength and Versatility
Premium Durable Finishes
TDC hinges are available in a variety of high-performance surface treatments, including satin nickel, polished brass, oil-rubbed bronze, antique brass, matte black, and custom finishes tailored to specific project requirements. Engineered for enhanced corrosion resistance, wear durability, and long-term performance, these finishes provide a refined yet robust solution for both residential and commercial applications.
Precision-Engineered for Superior Performance
Manufactured with high-grade steel and precision-machined steel pins, TDC hinges are built for exceptional strength, stability, and longevity. Designed to withstand frequent use in high-traffic environments, these hinges deliver consistent, smooth operation while maintaining structural integrity over time.
Optimized Dimensions for Professional Installations
- Size: 3.5" x 3.5" (88.9mm x 88.9mm)
- Corner Type: Square corners for seamless integration with industry-standard door preparations
- Material: Reinforced steel with advanced corrosion-resistant coatings
- Pin Options: Removable pin (RP) for standard applications or non-removable pin (NRP) for security needs
- Versatility: Suitable for residential, commercial, and institutional door installations
Versatile Installation Design
Featuring a fully reversible structure, TDC hinges can be installed on both left-hand and right-hand doors, optimizing inventory management and installation efficiency for contractors, wholesalers, and distributors.
Bulk Packaging & Custom Order Options
TDC supplies hinges in bulk quantities, with each order tailored to meet project-specific requirements. Whether for residential developments, commercial buildings, or institutional facilities, we provide high-volume shipments with consistent quality control, ensuring seamless integration into large-scale construction and renovation 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