Bomar 4000 Series 36 1/2″ x 24 1/2″ Rectangle Extruded Aluminum Tread Plate Access Hatch
OEM: N40133
- Heavy-duty aluminum plate & frame
- Stainless steel upgrades available
- Aluminum & stainless weld-in or bolt-in install options
- Modern diamond plate (checker plate) design
- Rugged, flush D-shape handles
- Bomar stamped branding
- Low profile design – 1/4 inch off mounting surface
- Clear anodized finish
- Stainless steel hardware
- Various sizes ranging from 12 inch to 36 inch. Custom sizes available upon request
- Additional options: Stainless steel frame, inside/outside opening, custom logos, gas struts, custom finishes & more (see description below).
- Stainless steel upgrades available
- Aluminum & stainless weld-in or bolt-in install options
- Modern diamond plate (checker plate) design
- Rugged, flush D-shape handles
- Bomar stamped branding
- Low profile design – 1/4 inch off mounting surface
- Clear anodized finish
- Stainless steel hardware
- Various sizes ranging from 12 inch to 36 inch. Custom sizes available upon request
- Additional options: Stainless steel frame, inside/outside opening, custom logos, gas struts, custom finishes & more (see description below).

Main
Bomar 4000 Series 36 1/2″ x 24 1/2″ Rectangle Extruded Aluminum Tread Plate Access Hatch Features:
Bomar 4000 and 4100 Series diamond plate 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 5 PSI 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.
Bomar’s 4000 Series Tread Plate Access Hatches provide a sleek look to any deck, with features such as:
- Heavy-duty aluminum plate & frame.
- Stainless steel upgrades available.
- Aluminum & stainless weld-in or bolt-in install options.
- Modern diamond plate (checker plate) design.
- Rugged, flush D-shape handles.
- Bomar stamped branding.
- Low profile design – 1/4 inch off mounting surface.
- Clear anodized finish.
- Stainless steel hardware.
- Various sizes ranging from 12 inch to 36 inch. Custom sizes available upon request.
4000 Series Tread Plate Options
- Styles: Lift out, hinged, j-arm, weathertight, or cover.
- Aluminum tread plate pattern, or non-tread (smooth) plate lid.
- Finish: Clear anodized, powder coat, mill finish.
- Piano hinge or j-arm Hinge.
- Stainless steel frame.
- Custom logo engraving.
- Gas struts.
- Reinforced lid (located from inside looking out).
- Inside/outside opening handles.
- Lanyard between base & lid.
- 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.
Looking for a custom size? Please call Customer Service at 603-826-5791
Note: Part numbers starting with “40-“ includes the tread plate (diamond plate) design, whereas “41-“ is smooth plate.
Bomar 4000 and 4100 Series diamond plate 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 5 PSI 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.
Bomar’s 4000 Series Tread Plate Access Hatches provide a sleek look to any deck, with features such as:
- Heavy-duty aluminum plate & frame.
- Stainless steel upgrades available.
- Aluminum & stainless weld-in or bolt-in install options.
- Modern diamond plate (checker plate) design.
- Rugged, flush D-shape handles.
- Bomar stamped branding.
- Low profile design – 1/4 inch off mounting surface.
- Clear anodized finish.
- Stainless steel hardware.
- Various sizes ranging from 12 inch to 36 inch. Custom sizes available upon request.
4000 Series Tread Plate Options
- Styles: Lift out, hinged, j-arm, weathertight, or cover.
- Aluminum tread plate pattern, or non-tread (smooth) plate lid.
- Finish: Clear anodized, powder coat, mill finish.
- Piano hinge or j-arm Hinge.
- Stainless steel frame.
- Custom logo engraving.
- Gas struts.
- Reinforced lid (located from inside looking out).
- Inside/outside opening handles.
- Lanyard between base & lid.
- 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.
Looking for a custom size? Please call Customer Service at 603-826-5791
Note: Part numbers starting with “40-“ includes the tread plate (diamond plate) design, whereas “41-“ is smooth plate.
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Product Details (7)
Weight
10 lbs
Dimensions
26 × 25 × 3 in
Color
Clear Anodized
Material
Extruded Aluminum
Shape
Rectangle
Hatch Dimensions
36.5 in x 24.5 in
Lead Time
5-6 Weeks