6-Inch Marine Deck Hatch Cover - Polished 316 Stainless Steel with Non-Slip Grip

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Sale price$29.00
Size: 3 inch
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Elevate your vessel's functionality and aesthetics with the AirowMarine 6-inch Marine Deck Hatch Cover. Precision-engineered from highly corrosion-resistant 316 marine-grade stainless steel, this round hatch cover features a brilliant mirror polish for superior visual appeal and durability in the harshest saltwater environments. Designed for secure access and deck maintenance, it includes two ergonomically shaped, integrated textured anti-slip handhole grips, ensuring safe operation even when wet. With an easy bolt-on installation, an outer diameter of 197MM and an inner diameter of 156MM, this UV-resistant cover is a universal fit for yachts, sailboats, pontoon boats, bass boats, and various other marine craft. The 184MM Pitch Circle Diameter with 5.5MM screw holes guarantees a robust and flush mounting, providing reliable protection and access to your deck compartments.

AirowMarine: The Ultimate Standard in Deck Maintenance. Precision-engineered components for modern vessels. Key Features: Anti-Slip Surface, UV Resistant, Easy Bolt-On Installation. Technical Specifications: 197MM OD, 156MM ID, 184MM PCD, 5.5MM Holes. Shop Deck Hardware.

Frequently Asked Questions

How durable is this marine deck hatch cover against harsh marine environments?
This AirowMarine hatch cover is constructed from 316 Marine-Grade Stainless Steel, ensuring superior corrosion resistance against saltwater, UV radiation, and general weathering, providing long-lasting performance on any vessel.
Is the installation process straightforward, and does it fit common deck openings?
Yes, the design features an easy bolt-on installation with a 184MM PCD and 5.5MM holes, compatible with standard deck mounting points. Its 156MM (approx. 6.14-inch) inner diameter makes it a universal fit for many 6-inch deck access requirements.
Does this hatch provide secure footing and reliable access on a wet deck?
Absolutely. The hatch cover integrates a specialized textured anti-slip grip surface on the handhole inserts, enhancing safety and secure handling even in wet or slippery conditions, minimizing the risk of slips during deck access.

Engineering Specs

REV: 2025.Q4 // TECH-STANDARD
Material_Grade
316 Marine-Grade Stainless Steel
Surface_Finish
Mirror Polish with Integrated Textured Anti-Slip Grip
UV_Resistance
UV-Stabilized (Electropolished 316 Stainless Steel)
Corrosion_Rating
316 Stainless Steel (Superior Saltwater Resistance)
Compatibility
Yachts, Sailboats, Pontoon Boats, Bass Boats, Center Consoles, Dinghies
Hull_Integration
Fiberglass, Aluminum, Wood, Composite
Standard_Ref
Universal 6-inch Deck Hatch Replacement

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