4 Inch Door Hinges Heavy Duty, XinSheng 316 Stainless Steel Marine Grade Ball Bearing, Rust Proof for Interior Exterior Doors, 3 Pack (Black)

Name: 4 Inch Door Hinges Heavy Duty, XinSheng 316 Stainless Steel Marine Grade Ball Bearing, Rust Proof for Interior Exterior Doors, 3 Pack (Black)
Brand: XINSheng
SKU: awhd-us-b0fqncn8jv
Price: 46.91 USD
Availability: InStock

Brand: XINSheng

Condition: Used

$46⁹¹

$49³⁸

-5% Save $2⁴⁷

Updated: 12 hours 35 mins ago

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Description

MARINE-GRADE 316 STAINLESS STEEL - Superior rust resistance vs standard 304 steel, rigorously tested for 148-hour salt spray resistance, ideal for coastal and high-salt environments.

220LBS LOAD CAPACITY - Each 4"x4" hinge is 3mm thick, set of 3 supports up to 220 lbs for gates, exterior doors, and security applications with smooth operation.

NON-REMOVABLE PIN SECURITY - Enhanced safety with non-removable hinge pins, perfect for exterior outswing doors and security applications requiring tamper resistance.

BALL BEARING DESIGN - Precision ball bearings ensure smooth, quiet operation with reduced friction and extended lifespan (50,000+ cycles zero-wear tested).

VERSATILE INSTALLATION - Perfect for interior doors, exterior doors, gates, cabinets, and marine applications. Includes all mounting hardware for easy installation.

WEATHERPROOF CONSTRUCTION - Engineered to withstand extreme weather, saltwater exposure, and temperature fluctuations without compromising performance or appearance.

XinSheng 316 Stainless Steel Door Hinges deliver professional-grade performance for demanding applications. Each 4"x4" hinge is crafted from marine-grade 316 stainless steel, with a robust 3mm thickness for exceptional strength and durability, rigorously tested to withstand over 50,000 cycles of zero-wear operation. Featuring precision ball bearings for smooth, quiet operation, and upgraded 316 stainless steel internal components to eliminate rust-prone weak points. A key security feature of these hinges is the non-removable hinge pin, offering enhanced safety and tamper resistance, making them ideal for exterior outswing doors and security applications. The 3-pack supports up to 220 lbs total capacity, making them perfect for heavy doors, gates, and coastal environments. Superior corrosion resistance makes these hinges perfect for high-humidity areas and exterior installations where standard hinges fail. Complete mounting hardware (including rust-resistant 316 stainless steel screws) is included for professional installation.

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Product Details

SKU:: awhd-us-b0fqncn8jv
Model:: XS-HY-001B
Country:: US
ASIN:: B0FQNCN8JV
UPC:: 731140870139

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.