iBoats.com sells a wide range of different boat hatches with varied sizes, shapes, handle designs, and so on. Depending on your boat model, how much space is permitted, and your personal requirements, there are several boat hatch styles to meet everyone's needs.
This hatch style is simple to open/operate without a requirement of any additional tools or hardware. It is made with a strongback design that allows the torque to be tightened down.
Classic Hex Centerbolt
This is the most straightforward hatch design in the marine world today. It has a two-hole design that improves the overall strength and sealing of the hatch.
Quick Acting Low Profile
This is a hybrid style that incorporates a low profile design that is useful in areas with minimal underside clearance. This style is great for bulkhead access. It uses a T-handle design for operation.
Multi Bolt Manholes
These are best for ship or yacht model. Different bolting methods could work for this design, depending on the application. Multi bolt manholes are made of stainless steel and/or bronze hardware and tools.
Built from 100% steel and best used for heavy industrial applications.