4000 & 4100 Series Hatch

Bomar 4000 and 4100 Series hatches offers that next level upgrade to any new construction or re-fit project you may have. Designed with safety, quality, functionality, and aesthetics in mind, we have a solution for all your project needs. With decades of marine product development knowledge, our line of hatches was designed to outperform and outlast all that is on the market today.

The convenient drop in design, provides for an efficient, secure, and semi-flush installation, that could either be glazed in or attached with fasteners. Bomar 4000 and 4100 Series Hatches are rated for 5PSI water resistance and is a must have, for all required dry areas.

Our hatches can be custom tailored to fit all your project needs, with custom finishes, textures, branding, and size options as well.




Series Plate Material Used
4000 Series Aluminum with “Tread” texture
4100 Series Smooth Aluminum Plate



Rectangle Plate Features

  • Aluminum plate and frame
  • D-Handles
  • Allen Drive handles
  • 1/4″ height off mounting surface.
  • Bomar logo

Optional Features

  • Style: ‘Lift out,’ Hinged, J-Arm, WeatherTight, or Cover
  • Aluminum Tread Plate pattern, or Non-Tread (smooth) plate lid
  • Finish: Clear Anodized, Powdercoat, Mill Finish
  • Piano Hinge or J-Arm Hinge
  • Stainless Steel Base
  • Custom Logo on Plate
  • Gas struts
  • Reinforced lid (located from inside looking out)
  • Inside/Outside opening handles
  • Lanyard between base & lid

Round Hatch Standard Features & Options:

  • Aluminum Base
  • Bomar Logo
  • Finish options: Clear Anodized, Mill Finish, & Powdercoat (in black, white, or anodic natura)
  • Aluminum Plate Lid options: available in our Bomar ‘tread’ pattern, or smooth plate
  • Handle options: D-Handle, Allen Drive Handle, or Quick Release Handle


Sizing Charts

Choose your choice of measurement and view the available sizes.

If you are looking for a custom size, please call Customer Service at 603.826.5791

** Note: Part numbers starting with “40-” includes the tread plate design, whereas “41-” is smooth plate.


Detailed Measurements in Inches (in)

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Detailed Measurements in Millimeters (mm)

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