sales@hdcmfg.com
+86 150 5221 8226
+86 150 5221 8226

Custom Marine Hardware – Precision Cast in 316 Stainless Steel

We turn your deck-to-hull drawings into cast 316 parts that withstand wind and waves, fully personalized to your spec.

  • 15+ Years Maritime Foundry
  • OEM/ODM for Any Vessel
  • Salt-spray Proof Finishing
  • Breaking Load & Mill Certs

Anchoring & Mooring

We precision-cast marine-grade 316 stainless steel for load-bearing components with high tensile strength and corrosion resistance.

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Boat Cleats

  • Style: Pull-up, Folding, Fixed, Pad-eye…
  • 5-20 tons breaking load
  • Custom deck footprint & logo

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Boat Anchors

  • Type: Fluke, Plow, Claw, Navy
  • High holding in sand, mud, and rocks
  • Weight and coating according to your designs
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Boat Bollards

  • Single, Double, Cross, T-head…
  • Custom Options: Base bolt hole spacing, column height
  • With the working load limit test
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Fairlead Chocks

  • Straight, Bow, Open, Closed, Roller, Flush
  • Rope-friendly, ultra smooth
  •  Any angle for your matching cable

Deck & Cabin Hardware

HDC Manufacturing’s precise mold control ensures your deck hardware has seamless surfaces and smooth daily operation.

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Marine Hinge

  • Heavy Duty, Butt, Offset, Strap, Lift-off, Continuous…
  • Custom Options: Length,  thickness, hole count, finish
  • Tight gap control and self‑lubricating washers stop galling in salt water
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Lock Rings

  • Locking  Type: Threaded, Cam-lock, Quick-release
  • Thread Standard: NPT, BSP, metric…
  • Vibration-proof locking ensures navigation safety
marine hardware deck fillers

Deck Fillers

  • Opening Type: Flush, Screw‑cap, Key‑lock, Flap…
  • Mark & color caps for Gas, Fuel, Water, Waste
  • Watertight to 2 psi with O-ring seal
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Deck Plates

  • Screw‑out, Lift‑out, Hinged, Transparent…
  • Custom Options: Diameter, countersunk depth, grip style
  • Anti-slip treatment: Non-skid pattern, smooth top

Structural & Bimini Fittings

We precisely control cast wall thickness, angled castings, and CNC post-machining to give you structural fittings that fit securely and stay rigid.

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Handrail Brackets

  • Style: Round, Square base, Swivel, Wall-mount, End
  • Custom Option: Angles, hole positions, tube inner diameter…
  • Manufacturing matching handrails and brackets
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Tube Bases

  • Style: Antenna, Flagpole, Tube…
  • Non-magnetic 316 available
  • Strong grip to resist ship vibration
  • Custom Options: Angle, height, drainage hole
  • Matching set screws
marine hardware bimini top slide clamp 2

Bimini Jaw Slides

  • Standard, Adjustable, Locking with pin
  • Tube diameter range: 3/4” – 1.5”
  • Quick-release, fixed for your needs
  • Including stainless steel springs and pins
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Pipe Fittings

  • Style: Tee, Elbow, Cross, 5/6-Way…
  • Angle: 45°, 60°, 75°, 90°, any angle you need
  • CNC finished threads
  • Works for handrails, Bimini frames, guardrails

Fluid & Hull Systems

We custom-cast corrosion-resistant, precision-threaded fluid & hull fittings to keep your underwater systems safe and durable.

marine hardware thru hull outlets

Thru-hull Outlets

  • Type: Straight, Angled, Flanged, Flush
  • Sealed flanges and gaskets ensure leak prevention
  • Interface Standard: NPT, BSP, Hose Barb
marine hardware water strainers

Water Strainers

  • In-line, Y-type, Scoop, Forward-facing
  • With removable filters for easy cleaning and maintenance
  • Custom Options: Inle/outlet size, screen mesh size
ball valve

Ball Valves

  • Flow passage type: Full port, Standard port, L-port…
  • Handle lock available
  • OEM thread
  • Use PTFE seats to prevent dripping
marine hardware marine vents

Marine Vents

  • Shape: Louvered, mushroom, clamshell, solar…
  • Airflow: Active, passive
  • Insect screen included
  • With matching backing plates and fasteners

Why Choose HDC Manufacturing

HDC Manufacturing is not only a supplier, but we are a partner who can help your marine hardware designs come true.

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Custom Design Support

We offer full OEM/ODM design support, tailoring every marine hardware component to meet your specific requirements.

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Certified Materials

Our marine-grade 316 stainless steel (CF8M) passes 500+ hour salt spray tests, with spectrometer-verified corrosion resistance reports.

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Precision Casting

We investment-cast dense marine hardware, then CNC to ±0.05mm for better fit and longer life.

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One-Stop Solution

From casting and machining to surface treatment, you need only one manufacturer — HDC Manufacturing — to handle the whole process.

Features List

From raw materials to finished products, HDC Manufacturing ensures every spec serves your boat’s long-term safety.

10% + Ni

Material Purity (SS316)

±0.05mm

Tolerance(After Machining)

8K Grade

Mirror Polishing

200% WLL

Load Limit Test

Certifications & Compliance

ISO certifications and quality systems supporting OEM manufacturing requirements.

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Bring Your Designs to Life.

We combine casting, CNC machining, and surface finishing to deliver marine hardware tailored to your project. Share your design, and we’ll provide a solution that works for your application.

Strict NDA Policy | Quotes within 24 Hours | ISO Certified Quality

FAQs

Can you provide material certification for each batch?

Yes, Mill Certificate and Spectrometer reports are included.

We can product boat anchors, anchor roller, anchor connector, anchor chain stopper, fairlead chock, anchor chain, boat cleat, boat bollard, bimini top caps, bimini top slides, bimini top clamps, deck hinge, bracket, tube base, flagpole base, pipe fitting, handrails, deck plate, hinges, hatch pull ring, lock ring, barrel bolt, deck filler, thru hull outlet, water strainer, cowl vent, drain, rod holder, antenna base, boat hook, folding ste pedal, marine ladders, marine steerog wheel, cup holders, drain plug, buckle latch, rigging, pad eye plate, door stop, pipe fitting…

All our cast hardware uses CF8M (Marine Grade 316 Stainless Steel). With a guaranteed minimum of 2% Molybdenum and 10% Nickel, our products provide superior resistance to chloride pitting, ensuring your boat fittings stay mirror-bright even in the harshest saltwater environments.

Yes, completely possible. We support logo-based customization. Please share your logo and specifications, and we will send you a proof to confirm.

Absolutely. In addition to aerospace-grade 6061-T6 and 7075-T6 aluminum, we manufacture suspension parts using 4130 chromoly steel, stainless steel, carbon steel, and other advanced alloys based on your specific strength requirements.

Yes. We stand behind our quality. We provide comprehensive after-sales service, including rapid response to any quality discrepancies, ongoing technical support, and full traceability with our material and inspection reports.

Yes. We offer hassle-free global logistics. Besides EXW, FOB, and CIF, we provide DDP (door-to-door) shipping services via international express, air freight, or sea freight, tailored to your project timeline.

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