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High Quality Marine Mount Grade Stainless Steel Door Deck Hinge

Marine Mount Grade Stainless Steel SS316 Door Deck Hinge 28*152mm

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RICHWITS excel at crafting Marine Mount Grade Stainless Steel Door Deck Hinges 28×152 mm right here in China. We forge and supply top-graded deck hinges in any finish or volume, prized for mirror polish, salt-spray-proof strength and flawless swing. Discover our premium range—just inquire today!

Price: $ 2.4 / PCS

Model:
ZB0410
Brand:
RICHWITS
Code:
ZB0410

size:	28*152
Availability:

Quantity:



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Product Description

Product Introduction

Feature	Benefit
Anti-Rust	316 marine-grade SS survives permanent salt-water & spray
Heavy-Duty Durable	4.5 mm solid leaf—30 % thicker than market norm, bigger & stronger
Wide Application	Perfect for boat cabinets, flush hatches, yacht doors, RVs, deck lockers—any corrosive spot
Soft-Close	Built-in polymer buffer eliminates slam & finger pinch
No-Noise	Whisper-quiet closure every time

Product Advantage

Fresh & Mild-Salt Resistance – Ideal for inland-river & coastal craft
High Cost-Effectiveness – Premium 316 performance at 304 price point
Superior Oxidation Resistance – Mirror polish stays rust-free after years of deck exposure
Excellent Pitting & Crevice Resistance – No corrosion at hinge gaps, even in standing seawater
Chemical-Medium Resistance – Safe for doors adjacent to chemical cargo holds

Technical Parameters

Item	Value
Material	Marine Grade Stainless Steel 316 (A4)
Length	152 mm
Width	28 mm
Thickness	4.5 mm
Finish	400-grit mirror polish, Ra ≤ 0.4 µm
Load Rating	150 kgf per pair (50 000 cycle test)
Open Angle	270° lay-flat
Mount	6 × Ø5 mm countersunk holes, M5 SS316 screws included

> 100 % brand-new, CNC-formed.<br> > Dimensions ±0.2 mm; slight polish variation adds character without affecting performance.

Product Application

Application	Function	Marine Value
Ventilator Louvers	Flip hinge for deck & cabin louvers	Prevents rust-induced seizure from salt spray & sea wind
Porthole Protective Covers	Flip hinge for external porthole shields	Survives wave impact & direct seawater splash
Cargo Hold Side Doors	Load-bearing side-door hinge	Resists minor bumps during loading / unloading
Refrigerated Hold Doors	Sealed door hinge	Maintains torque in −30 °C, 95 % RH cold holds
Power Distribution Room Cabinet Doors	Hinge for switch & control cabinets	Stops moisture ingress, ensures electrical safety
Chain Locker Access Hatches	Hatch hinge atop chain locker	Immune to humid, salt-saturated air inside locker
Ship Boarding Ladder Pedals	Flip hinge for side-ladder treads	Stable deploy / stow under crew load & wave motion

FAQ

Is this hinge truly salt-water proof?
Yes—100 % SS316 (A4) with 2–3 % molybdenum, lifetime immunity to chlorides and salt-spray.
What load can a pair carry?
Laboratory tested 150 kgf static per pair, 50 000 cycles without deformation.
Will the pin seize after years on deck?
No—non-removable SS316 pin plus oil-impregnated bronze washer, maintenance-free rotation.
Does the mirror polish survive UV & wave impact?
400-grit Ra ≤ 0.4 µm finish passes 1 000 h ASTM B117 salt spray & Q-UV 500 h with zero dulling.
How many mounting holes and what size?
6 countersunk holes Ø5 mm, on 20 × 140 mm centers—M5 stainless screws supplied.
Can I swap this hinge for my existing 28 × 152 mm hatch hinge?
Exact industry-standard footprint; direct drop-in replacement, no re-cutting needed.