90 Degree Marine Hatch Hinge - Solid Cast 316 Stainless Steel (38mm)

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Sale price€4,95
Size: 54*38
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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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Professional Grade Marine Hardware

Upgrade your vessel with our Heavy-Duty 90 Degree Offset Hinge, engineered for the most demanding saltwater environments. Precision-cast from AISI 316 Stainless Steel, this hinge offers the ultimate protection against pitting and corrosion.

  • Mirror Polish Finish: Hand-polished to a jewelry-grade shine that complements modern yachts and high-end outdoor cabinetry.
  • Solid Cast Construction: Unlike stamped alternatives, our solid casting provides superior shear strength for heavy hatches and compartment lids.
  • 90-Degree Fixed Offset: Specifically designed for flush mounting on deck boxes, cabinets, and bait wells.
  • Universal Mounting: Features countersunk holes for a flush, snag-free installation using standard flat-head screws.
Vertical infographic summarizing key features: corrosion defense, 90-degree operation, architectural mirror finish, and countersunk screw compatibility.

Frequently Asked Questions

Will this hinge rust if used constantly in saltwater environments?
No. Unlike standard 304 stainless steel, this hinge is cast from premium AISI 316 Stainless Steel which contains molybdenum to resist pitting and crevice corrosion in high-chloride environments.
Is this hinge strong enough to support a heavy fiberglass deck hatch?
Absolutely. Visual forensics and technical data confirm a solid cast construction with a heavy thickness (as shown in the dimension drawing), providing significantly higher structural integrity than stamped sheet-metal hinges.
Does the mirror finish require special cleaners to prevent peeling?
The finish is a mechanical mirror polish of the solid metal itself, not a plated coating. It cannot peel or flake off. Simply rinse with fresh water to maintain its luster.

Engineering Specs

REV: 2025.Q4 // TECH-STANDARD
Material_Grade
316 Stainless Steel
Surface_Finish
Mirror Polish (800+ Grit Equiv)
UV_Resistance
Electropolished High-Reflectivity
Corrosion_Rating
Salt-Tested AISI 316 Grade
Compatibility
Yachts, Bass Boats, Center Consoles, Pontoons
Hull_Integration
Fiberglass, Aluminum, Wood
Standard_Ref
Universal Fit (MJS9232)

ESTABLISHED 2017

AirowMarine

Professional Marine Hardware for a Safer Voyage.

Design engineers and marine consultants reviewing technical blueprints and a stainless steel porthole window assembly in an office overlooking a container port.

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.

B2B marine hardware production: A massive mirror-polished 316 stainless steel boat anchor being hoisted for quality verification in AirowMarine’s industrial workshop in mainland China.

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.

Technical quality control inspection showing a Mitutoyo digital caliper measuring a polished marine fitting at 12.45mm precision.

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.

Close-up of a 316 stainless steel circular louvered deck vent in eco-friendly honeycomb paper packaging with AirowMarine shipping label.

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.

Expert Guidance

Technical help in 24 hours

International Delivery

Secure & Tracked Shipping

Custom Solutions

Tailored parts for your boat

Factory Direct

Invested supply, best value

Proven Quality

Tested for nautical safety