Lewmar - Size 18 Low Profile Hatch Flange Base
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Designed for Durability and Performance
The Lewmar Size 18 Low Profile Hatch Flange Base is engineered for superior ventilation and light penetration while maintaining a sleek, low-profile design. Built with self-supporting functionality, this hatch provides reliable operation, making it an ideal choice for marine environments. Its smoke grey acrylic window ensures optimal light diffusion while enhancing visibility and privacy on board.
Robust Technical Specifications
Crafted for durability, this hatch features a self-supporting system with a 5/16-inch thick acrylic window, ensuring strength and resistance to harsh marine conditions. The lower frame measures 9/16 inches, providing a secure and well-fitted base for stability.
Precise Product Dimensions
- Overall Diameter: 19 15/16 inches
- Height (Z): 1 inch
- Hinge Length (HX): 19 7/16 inches
- Hinge Width (HY): 5 9/16 inches
- Cut-Out Diameter: 16 9/16 inches
Premium Acrylic Window in Smoke Grey
The hatch features a smoke grey acrylic window, offering both aesthetic appeal and practical benefits such as reduced glare and UV protection.
Installation and Mounting Guidelines
Designed for easy installation, this hatch must be mounted on a flat surface with a maximum tolerance of +/- 1mm. Fastening requirements include:
- Hinge section: M6 (1/4") fasteners
- Lower frame: 5mm CSK screw No.10 UNC 2 BA
Key Highlights
- Low-profile design for a streamlined appearance
- Self-supporting structure for effortless opening and closing
- Durable 5/16-inch thick acrylic window in smoke grey
- Strong and secure lower frame construction
- Precision-cut dimensions for a perfect fit
- Easy installation with standard fastening requirements
This hatch is a versatile addition to any vessel, offering both functional and aesthetic benefits while ensuring long-term reliability in marine environments.
Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.