304 Stainless Steel Marine Padlock - Weatherproof & Anti-Pry (25-60mm)

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Sale price€3,95
Size: 304 Stainless Steel Spring Padlock 25mm Short Shackle (Through Opening with 1 Key)
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Elite Marine-Grade Security

Constructed from solid SUS 304 Stainless Steel, this padlock is engineered for the harshest saltwater environments. The mirror-polished body provides exceptional corrosion resistance, while the hardened steel shackle resists cutting, sawing, and prying. Featuring a specialized smart double-hole drainage design, it prevents internal water accumulation and freezing, ensuring smooth operation in arctic or tropical conditions.

  • Material: High-density 304 Stainless Steel with high-reflectivity finish.
  • Internal Mechanism: Precision brass cylinder for smooth rotation and anti-pick security.
  • Drainage System: Dual bottom ports for hydrophobic performance and freeze prevention.
  • Versatility: Suitable for yachts, marine enclosures, storage sheds, and high-moisture industrial zones.
Full specification infographic for AirowMarine padlocks listing material as SUS 304, smart drainage, brass cylinders, and sizes from 25mm to 60mm.

Frequently Asked Questions

Will this lock seize up or freeze in winter coastal environments?
No. Unlike standard padlocks, this model features a smart double-hole drainage system that prevents moisture from pooling inside the cylinder, eliminating the risk of internal freezing and ensuring smooth mechanical operation even in sub-zero humidity.
How does the 304 stainless steel hold up against direct saltwater exposure compared to chrome-plated locks?
Chrome plating eventually pits and flakes, exposing the vulnerable core to rust. Our solid 304 Stainless Steel construction is corrosion-resistant throughout the entire metal body, providing a permanent barrier against the electrochemical reaction of saltwater.
Is the shackle hardened enough to resist a bolt cutter?
Yes. The shackle is constructed from solid stainless steel with a hardened density designed to resist high-leverage cutting and sawing attempts, specifically engineered to protect high-value marine equipment and outdoor enclosures.

Engineering Specs

REV: 2025.Q4 // TECH-STANDARD
Material_Grade
304 Stainless Steel Body & Shackle
Surface_Finish
Mirror Polish / Brushed Stainless
UV_Resistance
Electropolished (High Reflectivity) UV-Inert
Corrosion_Rating
304 Stainless Steel Salt Spray Tested
Compatibility
Yacht, Bass Boat, Pontoon, Marine Dock Boxes
Hull_Integration
Universal (Fiberglass, Aluminum, Wood)
Standard_Ref
Universal Marine Standard

ESTABLISHED 2017

AirowMarine

Professional Marine Hardware for a Safer Voyage.

Design engineers and marine consultants reviewing technical blueprints and a stainless steel porthole window assembly in an office overlooking a container port.

Our Roots

Hong Kong Based, 8 Years of Expertise

The story of AirowMarine began eight years ago. Headquartered in Hong Kong, we have been dedicated to the global operation and brand building of marine accessories. These eight years of experience have taught us that on the unpredictable sea, every single component carries the trust and safety of the boat owner.

B2B marine hardware production: A massive mirror-polished 316 stainless steel boat anchor being hoisted for quality verification in AirowMarine’s industrial workshop in mainland China.

Supply Chain

Invested Factories in Mainland China

To ensure our products withstand extreme environments, we are more than just a bridge for trade. AirowMarine has invested in its own manufacturing facilities in Mainland China. Leveraging the region's mature and efficient industrial supply chain, we are deeply involved in the entire process—from raw material selection and precision machining to final assembly. We avoid exaggerated claims; instead, through professional logistics and rigorous quality control, we ensure every product delivered to you meets high nautical-grade standards.

Technical quality control inspection showing a Mitutoyo digital caliper measuring a polished marine fitting at 12.45mm precision.

Reliability

Strict QC & Global Logistics

As a provider of marine accessories, our business is intimately connected to the water. We believe that protecting the ocean is not just a slogan; it must be reflected in every detail of our business. Currently, AirowMarine is continuously optimizing our packaging solutions: we maximize the reduction of single-use plastics in our packaging and shipping processes, using recyclable paper-based cushioning materials whenever possible. Our products are built to power your voyage, while our packaging is designed to protect the purity of the blue sea.

Close-up of a 316 stainless steel circular louvered deck vent in eco-friendly honeycomb paper packaging with AirowMarine shipping label.

Our Mission

Protecting the Blue, Plastic-Free

We are aware that there is always room for improvement, but we have never stopped in our pursuit of excellence and environmental responsibility. AirowMarine is committed to providing you with durable, reliable, and eco-conscious marine accessories.

Expert Guidance

Technical help in 24 hours

International Delivery

Secure & Tracked Shipping

Custom Solutions

Tailored parts for your boat

Factory Direct

Invested supply, best value

Proven Quality

Tested for nautical safety