ZB0404
RICHWITS
ZB0404
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Product Introduction
Marine-grade 304/316 stainless steel hinges resist saltwater corrosion, ideal for ships, yachts and offshore equipment. They feature high tensile strength, smooth rotation and durable load-bearing capacity. Precision-machined for tight sealing, they suit deck hatches, cabin doors and marine cabinets, ensuring long service life in harsh marine environments.
Product Advantage
Superior Heat Resistance – Ensures a longer service life in high-temperature areas like engine rooms.
Open-Air Component Adaptability – Suitable for external decks and open-air equipment subject to sea wind and wave erosion.
High Fatigue Strength – Prevents fracture and failure under frequent opening and closing conditions.
Low Life-Cycle Cost – Reduces the frequency of maintenance and replacement during ocean voyages.
Strong Coating & Accessory Compatibility – Prevents galvanic corrosion with common marine coatings and metal parts.
Non-Magnetic/Weakly Magnetic – Avoids interference with the operation of certain marine electronic equipment.
Low Maintenance Cost – Eliminates the need for frequent anti-rust treatment, only requiring regular wiping and upkeep
Technical Parameters
* Marine hinges stainless steel, 316 marine grade
* Stainless steel boat hinges, Dimension size: 1.5" x 1.5" (38mm x 38mm)
| CODE | SIZE | A | B | C | D | E | H | WT(KG) |
| ZB0404-38 | 38*38 | 38.0 | 20.0 | 40.0 | 25.5 | 5.3 | 4.5 | 0.052 |

Product Application
Wheelhouse Control Doors : Inner and outer doors of ship navigation control rooms, ensuring corrosion-resistant and stable operation.
Engine Room Access Panels : Maintenance hatch doors in high-temperature, oily engine compartments, withstanding harsh working conditions.
Open Deck Hatch Covers : Flip covers of deck hatches, resisting long-term erosion from seawind and salt spray.
Crew Cabin Living Doors : Interior and exterior doors of crew quarters, adapting to humid cabin environments.
Galley Storage Cabinets : Door hinges for kitchen cabinets and wall cupboards, anti-corrosion against oil fumes and moisture.
Bathroom Partition Doors : Dry-wet separation doors in ship bathrooms, suitable for water-prone and high-humidity areas.
Life-saving Equipment Cabinets : Cabinets storing life rafts and life jackets, enabling quick door opening in emergencies.
FAQ
Which stainless steel grades are safe?
Common safe grades: 304 (everyday use), 316 (high corrosion resistance), and 430 (budget-friendly).
What’s the difference between 304 and 430 stainless steel?
304 has nickel (non-magnetic, more corrosion-resistant); 430 has no nickel (magnetic, lower cost).
What's the most important feature of marine hardware?
Corrosion resistance.It must be made of materials that can resist saltwater, such as 316 stainless steel, silicon bronze, or anodized aluminum.
Are you a factory or trading company?
RICHWITS is a direct factory of industrial hardware products and company specializing in manufacturing toggle latches,locks,hinges,handle etc. for more than 20 years.
Can you provide CAD drawings?
Yes, CAD /3D drawings are available upon customers' requirements.


Product Introduction
Marine-grade 304/316 stainless steel hinges resist saltwater corrosion, ideal for ships, yachts and offshore equipment. They feature high tensile strength, smooth rotation and durable load-bearing capacity. Precision-machined for tight sealing, they suit deck hatches, cabin doors and marine cabinets, ensuring long service life in harsh marine environments.
Product Advantage
Superior Heat Resistance – Ensures a longer service life in high-temperature areas like engine rooms.
Open-Air Component Adaptability – Suitable for external decks and open-air equipment subject to sea wind and wave erosion.
High Fatigue Strength – Prevents fracture and failure under frequent opening and closing conditions.
Low Life-Cycle Cost – Reduces the frequency of maintenance and replacement during ocean voyages.
Strong Coating & Accessory Compatibility – Prevents galvanic corrosion with common marine coatings and metal parts.
Non-Magnetic/Weakly Magnetic – Avoids interference with the operation of certain marine electronic equipment.
Low Maintenance Cost – Eliminates the need for frequent anti-rust treatment, only requiring regular wiping and upkeep
Technical Parameters
* Marine hinges stainless steel, 316 marine grade
* Stainless steel boat hinges, Dimension size: 1.5" x 1.5" (38mm x 38mm)
| CODE | SIZE | A | B | C | D | E | H | WT(KG) |
| ZB0404-38 | 38*38 | 38.0 | 20.0 | 40.0 | 25.5 | 5.3 | 4.5 | 0.052 |

Product Application
Wheelhouse Control Doors : Inner and outer doors of ship navigation control rooms, ensuring corrosion-resistant and stable operation.
Engine Room Access Panels : Maintenance hatch doors in high-temperature, oily engine compartments, withstanding harsh working conditions.
Open Deck Hatch Covers : Flip covers of deck hatches, resisting long-term erosion from seawind and salt spray.
Crew Cabin Living Doors : Interior and exterior doors of crew quarters, adapting to humid cabin environments.
Galley Storage Cabinets : Door hinges for kitchen cabinets and wall cupboards, anti-corrosion against oil fumes and moisture.
Bathroom Partition Doors : Dry-wet separation doors in ship bathrooms, suitable for water-prone and high-humidity areas.
Life-saving Equipment Cabinets : Cabinets storing life rafts and life jackets, enabling quick door opening in emergencies.
FAQ
Which stainless steel grades are safe?
Common safe grades: 304 (everyday use), 316 (high corrosion resistance), and 430 (budget-friendly).
What’s the difference between 304 and 430 stainless steel?
304 has nickel (non-magnetic, more corrosion-resistant); 430 has no nickel (magnetic, lower cost).
What's the most important feature of marine hardware?
Corrosion resistance.It must be made of materials that can resist saltwater, such as 316 stainless steel, silicon bronze, or anodized aluminum.
Are you a factory or trading company?
RICHWITS is a direct factory of industrial hardware products and company specializing in manufacturing toggle latches,locks,hinges,handle etc. for more than 20 years.
Can you provide CAD drawings?
Yes, CAD /3D drawings are available upon customers' requirements.

