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Hatch, Twist-Lock Style | Round | Flush & Raised Coaming

Baier Marine

Twist Lock Style Round 18.5" Steel Hatch.
Also Available with 5" Coaming

The Twist Lock hatch is a simple proven design for hatch enclosures. The twist engagement method for securing this hatch makes this the simplest hatch to operate.  This hatch is made from high strength 3/8” cast steel with reinforced ribs.  Built-in Lift-out handles are molded into the cover plate for convenience.


  • Low cost - high strength cast steel construction
  • Lift-out grab handles Molded into cover casting
  • Reinforced steel ribs on cover to provide greater impact resistance
  • Galvanized steel chain ensures the cover stays attached and will never get lost


Material: Steel (ASTM A36)
Finish: Painted Primer Gray
Gasket - Nitrile Rubber
Chain - Galvanized Steel
Coaming - Steel

When Ordering Please Specify:    
            With or Without Coaming- Flush Hatch / 5" Coaming

Hatch Model

Clear Opening

Overall Dimensions


Technical Drawing


18.6" Ø

24" Ø

None -Flush Mount



18.6" Ø

24" Ø

5" Coaming


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PhotoSKU Overall Diameter1+Quantity
 Price Each 
 08640-101A Std FlushCall For Price 
 08641-101A W/ 5" CoamingCall For Price