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.