Marine Grade 316 Stainless Steel Hinge - Heavy Duty Oval (40x75mm)
Tax included (excl. Monaco, Norway, N. Ireland). Check Cart/Checkout for rates. Shipping options (Standard 8-15d / Economy 25-45d) vary by address and weight. Delivery to remote areas is subject to extended transit times. Save ~7% on shipping for orders >100kg (220lbs).
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Engineered for Ultimate Marine Performance
Constructed from Mirror-Polished 316 Stainless Steel, this heavy-duty oval hinge is designed to withstand the harshest saltwater environments. Unlike standard hardware, our hinge undergoes rigorous salt spray testing to ensure maximum corrosion resistance for seaside homes and luxury vessels.
Precision Manufacturing & Silent Operation
- Zero-Noise Movement: Tight tolerances of less than 0.5mm ensure a smooth, shake-free operation every time.
- Immovable Stability: The reinforced four-hole mounting pattern prevents sagging and loosening, even under heavy daily cycles.
- Marine-Grade Durability: 2.0mm thick high-alloy steel provides superior load-bearing capacity for cabinet doors and hatches.
Whether upgrading yacht cabinetry or installing premium hardware in a coastal residence, the RICHWITS precision hinge delivers architectural elegance with industrial strength.
Frequently Asked Questions
- Will this hinge rust in direct contact with saltwater?
- No. This hinge is forged from authentic 316-grade stainless steel, which contains molybdenum for superior resistance to chloride-induced pitting and crevice corrosion compared to standard 304 steel.
- Can I use these for heavy external hatches that catch the wind?
- Absolutely. The 2.0mm thick steel plate and four-hole mounting design are specifically engineered for heavy-duty load bearing and stability, preventing sagging even in high-stress outdoor applications.
- Is the movement truly silent, or will it squeak over time?
- The hinge features a precision-machined knuckle with a tolerance of less than 0.5mm. This tight fitment ensures smooth, friction-free movement that eliminates the 'shake and squeak' common in lower-grade hardware.
Engineering Specs
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ESTABLISHED 2017
AirowMarine
Professional Marine Hardware for a Safer Voyage.
Our Roots
Hong Kong Based, 8 Years of Expertise
The story of AirowMarine began eight years ago. Headquartered in Hong Kong, we have been dedicated to the global operation and brand building of marine accessories. These eight years of experience have taught us that on the unpredictable sea, every single component carries the trust and safety of the boat owner.
Supply Chain
Invested Factories in Mainland China
To ensure our products withstand extreme environments, we are more than just a bridge for trade. AirowMarine has invested in its own manufacturing facilities in Mainland China. Leveraging the region's mature and efficient industrial supply chain, we are deeply involved in the entire process—from raw material selection and precision machining to final assembly. We avoid exaggerated claims; instead, through professional logistics and rigorous quality control, we ensure every product delivered to you meets high nautical-grade standards.
Reliability
Strict QC & Global Logistics
As a provider of marine accessories, our business is intimately connected to the water. We believe that protecting the ocean is not just a slogan; it must be reflected in every detail of our business. Currently, AirowMarine is continuously optimizing our packaging solutions: we maximize the reduction of single-use plastics in our packaging and shipping processes, using recyclable paper-based cushioning materials whenever possible. Our products are built to power your voyage, while our packaging is designed to protect the purity of the blue sea.
Our Mission
Protecting the Blue, Plastic-Free
We are aware that there is always room for improvement, but we have never stopped in our pursuit of excellence and environmental responsibility. AirowMarine is committed to providing you with durable, reliable, and eco-conscious marine accessories.
