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KEY HOLE FENDERS

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LION KEY HOLE FENDERS (LKH)

Features

  • Flat/Ridged face
  • Heavy tug operation
  • Easy to install and hassle free maintenance
  • High abrasion resistance

Applications

  • All type of tugs
  • Ocean going tugs
  • Pontoon protection
  • Bridge protection
  • Pile protection

Lion Key Hole Fenders are used as an alternative to W-fenders in case of extremely heavy loads. The keyhole cross-section is very tough but can be curved around the hull. Fixing / mounting is very simple with this type of fender.

Type H A B C øD øF L max FLAT BAR PIN DIA. R(min)
LKH 200 200 200 35 130 28 90 2000 100 X 15 25 450
LKH 250 250 250 50 150 33 100 2000 125 X 20 30 600
LKH 300 300 300 60 180 33 115 1750 150 X 20 30 800
LKH 350 350 350 70 210 33 125 2000 175 X 25 30 1000
  • All above dimensions are in mm. Above data is for reference purpose only.
  • Any customized Project & Product requirements can be catered by Lion Rubber’s Design & Development Team.
  • All grade Fender performance are available on request.

Keyhole Fenders Built for Impact – Tough, Reliable & Marine-Ready

Keyhole Fenders are a trusted solution for protecting tugboats, docks, and other marine structures from repeated impact and abrasion. These fenders feature a unique keyhole-shaped profile. They provide strong energy absorption and excellent shear resistance, making them ideal for high-contact environments.
At Lion Rubber Industries Pvt Ltd, we manufacture Keyhole Fenders using premium rubber compounds, ensuring long-lasting durability even in the toughest marine conditions. Their compact, efficient design allows for easy installation and reliable performance in both vertical and horizontal mounting positions.
The maritime industry is shifting toward more rugged and dependable fendering systems. As a result, Keyhole Fenders are becoming increasingly popular across tugboat fleets, workboats, and dockside operations worldwide.

What is a Keyhole Fender?

A Keyhole Fender is a strong, durable rubber fender with a round outer body and a unique keyhole-shaped opening inside. This smart design reduces pressure and absorbs impact when a boat meets a dock or another boat.
The fender’s rounded shape gently touches the hull, reducing wear and tear while protecting against hard bumps. Its keyhole-style hollow section gives it flexibility to handle repeated pushes and pulls without losing shape or strength.
Keyhole fenders are used on tugboats, workboats, and marine terminals because they provide dependable protection and can be installed either up and down or side to side. Their simple, effective design makes them a trusted choice in busy, tough marine environments.

Key Features of Keyhole Fenders by Lion Rubber

Lion Rubber’s Keyhole Fenders are built to deliver high performance, durability, and ease of use for tugboats, docks, and marine terminals. These fenders are built for tough marine conditions and offer excellent protection during docking.

  • Flat or Ridged Face Options

    Lion Rubber offers Keyhole Fenders with either a flat or ridged face, allowing you to select the ideal design for your application. The flat surface provides smooth energy distribution, while the ridged version enhances grip, ensuring secure contact during berthing maneuvers.

  • Ideal for Heavy Tug Operations

    Keyhole Fenders are specifically engineered to handle heavy tug operations. Their robust design absorbs and disperses high-impact forces, ensuring the tug and the dock remain safe and protected during high-stress conditions.

  • Easy Installation & Minimal Maintenance

    These fenders are designed with convenience in mind. With a compact profile, they can be quickly installed in both vertical and horizontal positions. The durable rubber construction also ensures a long lifespan, reducing the need for frequent maintenance and lowering operational costs.

  • High Abrasion Resistance

    Crafted from high-quality rubber, Lion Rubber’s Keyhole Fenders are highly resistant to abrasion, cuts, and other wear and tear caused by constant contact with ships and docking surfaces. This feature ensures long-lasting performance, even in the toughest marine conditions.

Applications of Lion Rubber's Keyhole Fenders

Lion Rubber’s Keyhole Fenders are designed for a wide range of marine applications and offer superior protection in harsh conditions.

  • All Types of Tugs

    Keyhole Fenders are perfect for all tugboats, including harbor and ocean-going tugs. These fenders absorb heavy impacts during docking and berthing, safeguarding both the vessel and the dock.

  • Ocean-Going Tugs

    Our keyhole fenders provide long-lasting durability for ocean-going tugs facing rough conditions. They resist saltwater, abrasion, and intense collisions, ensuring reliable performance during long-distance towing.

  • Pontoon Protection

    These fenders are perfect for pontoons, protecting them from impact damage during docking and movement in harbors and terminals.

  • Bridge Protection

    Keyhole Fenders effectively protect bridges by absorbing vessel impacts, reducing the risk of damage to both the structure and the fender.

  • Pile Protection

    Installed around piles, Keyhole Fenders shield them from damage caused by ships and tugs, ensuring the durability of port infrastructure.

Technical Specifications & Customization Options

Lion Rubber’s Keyhole Fenders come with various technical specifications to ensure compatibility with your specific needs. Tailored for durability and reliable performance, we offer several customization options to meet the demands of any marine operation.

  • Available Sizes and Dimensions

    Our Keyhole Fenders are available in multiple sizes. Choose from standard options or request custom dimensions for a perfect fit.

  • Installation Methods

    These fenders can be easily installed using bolting, chains, or brackets for secure attachment in any marine environment.

  • Options for Length, Hardness, and Mounting Style

    Choose from different lengths and hardness levels, with vertical and horizontal mounting options to suit various vessel types.

  • Custom Color Coding or Branding

    Customize your fenders with company colors or branding for enhanced visibility and recognition.

  • Performance Curves and Load Data

    Access detailed performance curves and load data via our downloadable spec sheet for accurate capacity and stress distribution info.

Why Choose Our Keyhole Fenders?

Built for strength, reliability, and long-term performance, Lion Rubber’s Keyhole Fenders are trusted across marine sectors worldwide. Here’s why industries continue to choose us:

  • In-House R&D and Testing

    We design, test, and refine every fender in-house, ensuring top-tier quality control, performance reliability, and continuous product innovation tailored to demanding marine environments.

  • ISO-Certified Manufacturing

    Our ISO-compliant manufacturing processes guarantee consistent quality, safety, and performance standards across every unit we produce, regardless of order size or destination.

  • Trusted by Global Clients

    From regional ports to international shipping operators, our fenders are deployed globally, proving their effectiveness in diverse and challenging maritime conditions.

  • Premium, UV-Stable Rubber Compounds

    We use UV-resistant rubber to ensure each fender withstands harsh sunlight, saltwater exposure, and long-term marine wear and tear.

  • Short Lead Times & Global Shipping

    With optimized production timelines and a global supply network, we ensure timely delivery - even for custom orders—wherever your operations are located.

Maintenance and Durability

Lion Rubber’s Keyhole Fenders are engineered for lasting performance with minimal upkeep. Their solid rubber construction ensures high resistance to wear, weathering, and UV exposure, making them ideal for long-term use in demanding marine conditions.

These fenders need minimal maintenance beyond standard checks due to their durable design. In most typical marine environments, they deliver a dependable service life of several years without compromising protection.
We recommend occasional visual inspections to check for surface cracks, mounting integrity, or excessive wear for best performance. Timely bolt tightening and cleaning of attachment points can further extend the fender’s life and effectiveness.
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Frequently Asked Questions about Keyhole Fenders

Our Keyhole Fenders feature a unique keyhole-shaped design for better load absorption and shear resistance. They’re made from premium, UV-stable rubber for long-term durability in tough marine conditions.
Choosing the right fender depends on vessel size, docking setup, and load needs. We can provide expert guidance on selecting the right fit.
Delivery timelines vary depending on your order size and customization needs. However, we maintain short lead times for most fenders and offer global shipping support. Once your order is confirmed, our team will share a clear delivery schedule.
Yes, our Keyhole Fenders are designed and tested to meet international marine safety standards. They undergo strict quality checks to ensure reliable performance, especially in high-contact tug and dock operations.
Our fenders are manufactured in ISO-certified facilities, ensuring consistent quality and durability. Additional material or performance certifications can be provided based on project requirements and export regulations.

Get Unmatched Protection with Our Durable Keyhole Fenders!

Looking for reliable fenders that provide exceptional protection for your tugboats and docks? Our Keyhole Fenders offer long-lasting durability and superior performance. Contact us today for a quote and expert guidance!

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