Ultra-Heavy Duty 4-Inch Marine Hinge for Demanding Environments

Upgrade your marine or industrial setup with our Premium 316 Stainless Steel 4-Inch T-Hinge. Unlike standard stamped hinges, this is cast from solid stainless steel with a massive 4.5mm (0.17") thickness, designed to support heavy hatches, toolboxes, and cabinet doors without bending.

Featuring a high-mirror polish for maximum corrosion resistance in saltwater, this heavy-duty strap hinge is the hardware upgrade you can trust for your luxury yacht, dock, or utility trailer.

Key Features

  • Solid 316 Marine Grade Steel: Superior resistance to rust, pitting, and oxidation compared to standard 304 stainless. Perfect for harsh ocean environments.
  • Extra Thick Construction: Engineered with a 4.5mm thickness, providing exceptional load-bearing capacity and durability.
  • Complete Installation Kit: Includes matching 316 stainless steel mounting screws, so you can install it right out of the box.
  • Smooth & Silent: Precision-machined knuckle joints ensure friction-free operation and a wide opening angle.

Technical Specifications

Specification Measurement
Model Size 4-Inch (4" x 2")
Total Length 3.95" (100mm)
Strap Length 2.85" (72mm)
Width 2.12" (54mm)
Thickness 0.17" (4.5mm) - Heavy Duty

Frequently Asked Questions

Q: Are mounting screws included?
A: Yes! Each 4-inch hinge comes with a set of matching 316 stainless steel screws (approx. 1.38" / 35mm length), ensuring your entire assembly is rust-proof.

Q: What is this 4-inch size best used for?
A: The 4-inch model is perfectly sized for boat hatches, console doors, dock boxes, livewell lids, and heavy-duty utility cabinets.

Q: Is the 4.5mm thickness standard?
A: No, most standard hinges on the market are only 2mm or 3mm thick. Our 4.5mm cast design makes this a true "Heavy Duty" class hinge, capable of handling significantly more weight.

Frequently Bought Together

Total price$110.95

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