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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
- Model number: SPH4040-5/8R-US19
- Material: Steel
- Product Dimensions: 4"L x 4"W
- Radius: 5/8" Radius
- Thickness: 2.7 mm
- Finish Style: Matte black(US19)
- Hole Count: 8
- Function: Highly Rust Resistant
- Mounting Type: Door Mount
- Other: allen wrench for adjusting tension and two set pins
Model #: SPH4040-5/8R-US19
4” x 4” Spring Hinges · Residential Weight
· Non-Template · 5/8” Radius Corners
UL File #: R21804 (Model #: SH404025N)
Steel material with steel barrel, With Phillips flat-head screws and a Hex wrench.
Equivalent to: Hager’s 1752

Hinge Size (hgt. x wdth.) |
Number |
Gauge of |
Barrel |
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 |
0.098" |
0.705" |
#10 x ½” |
#10 x 1” |
1 |
50 |
42 |
CODE |
FINISH |
DESCRIPTION |
CODE |
FINISH |
DESCRIPTION |
21470 |
US3 |
Polished Brass |
21475B |
US15 |
Satin Nickel |
21471 |
US4 |
Satin Brass |
21476 |
US15A |
Antique Nickel |
21472 |
US5 |
Antique Brass |
21477 |
US26 |
Polished Chrome |
21473 |
US2D |
Zinc Dichromate |
21478 |
US26D |
Satin Chrome |
21474 |
US10A |
Antique Bronze |
21479 |
USP |
Prime Coat |
21475 |
US10B |
Oil-rubbed Bronze |
|
|
|
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