Keyhole Rubber Fenders
Hongruntong Marine (factory-direct) supplies high-performance Keyhole Type Rubber Fenders, Keyhole Rubber Fenders, Rubber Keyhole Fenders, Keyhole Fenders, and Keyhole Guard for global ports, marinas, and offshore docking protection.

Hongruntong Marine supplies high-quality Keyhole Rubber Fenders, engineered for reliable and easy-installation marine protection. Designed with a distinct keyhole-shaped profile, these Keyhole Type Rubber Fenders offer superior abrasion and impact resistance for dock edges, quay walls, and pontoon systems. Ideal as a versatile Keyhole Guard, they ensure long-term durability and cost-effective performance in various maritime environments. Hongruntong Marine specializes in manufacturing high-performance keyhole fenders designed for secure marine protection. Our comprehensive product range includes durable keyhole rubber fenders, robust rubber keyhole fenders, and specialized keyhole type rubber fenders featuring integrated keyhole guard systems. These advanced fender solutions combine precision keyhole profiles with premium materials to deliver exceptional impact absorption and secure mounting reliability for ports, docks, and marine structures worldwide.
Key Features & Benefits
Unique Keyhole Design — Provides strong grip and secure mounting.
Benefit: Prevents slipping and ensures stable performance.
High Energy Absorption with Low Reaction Force — Minimizes hull stress during berthing and impacts.
Benefit: Protects vessels and structures while reducing maintenance costs.
Marine-Grade Rubber Compound — Resistant to seawater, UV and ozone.
Benefit: Long service life, even in harsh conditions.
Easy Installation & Replacement — Standardized mounting with simple drilling and bolting.
Benefit: Saves time and reduces installation cost.
Customizable Dimensions & Hardness — Tailored solutions for different vessels and berths.
Benefit: Ensures optimal fit for specific project requirements.
Applilcations
Port terminals and quay walls
Workboats and service vessels
Jetties, piers and docks
Offshore platforms and marine structures
Heavy-duty ship-to-berth operations
Drawings

Dimensions
| Model | A [mm] |
B [mm] |
C [mm] |
D [mm] |
G [mm] |
E [mm] |
Lmax [mm] |
|
HMKF-200
|
200
|
200
|
35
|
28
|
90
|
130
|
3000
|
|
HMKF-250
|
250
|
250
|
50
|
33
|
100
|
150
|
3000
|
|
HMKF-300
|
300
|
300
|
60
|
33
|
115
|
180
|
3000
|
|
HMKF-350
|
350
|
350
|
70
|
33
|
125
|
210
|
3000
|
Detailed Photos





Manufacturing Excellence
Precision Keyhole Engineering
Advanced manufacturing ensures accurate keyhole groove formation and keyhole guard integration in all keyhole fenders
Quality Assurance
Each keyhole rubber fender undergoes rigorous testing for mechanical properties, mounting reliability, and guard system effectiveness
Custom Solutions
Tailored rubber keyhole fenders available with specific keyhole configurations and performance characteristics
Global Standards Compliance
All keyhole type rubber fenders manufactured according to international marine quality standards
Service Commitment
• Technical consultation and mounting design
• Custom keyhole fenders engineering services
• Installation guidance and supervision
• Maintenance planning and inspection
• Performance monitoring and optimization
• Emergency technical support
Performance Advantages
Secure Mounting Reliability
The integrated keyhole guard system in our keyhole rubber fenders ensures stable attachment and prevents accidental dislodgement during continuous marine operations.
Enhanced Durability
Rubber keyhole fenders provide excellent impact absorption through their optimized profiles and advanced material composition, while the keyhole guard protects mounting points from environmental damage.
Easy Maintenance
The keyhole type rubber fenders feature accessible mounting points and protective guards that simplify inspection and maintenance procedures.
FAQ
Q1: What sizes of keyhole fenders are available?
A1: We offer standard dimensions as well as custom sizes based on vessel and berth requirements.
Q2: What is the main advantage of keyhole type fenders?
A2: Their unique profile offers strong grip and easy installation, while providing excellent energy absorption with minimal hull stress.
Q3: Can the rubber compound be customized?
A3: Yes, we provide different hardness levels and special compounds (oil-resistant, cold-resistant, etc.) on request.
Q4: How long is the delivery time?
A4: Standard models are available with short lead times, while custom orders may require longer production. Please contact us for a detailed schedule.
Q5: Do you provide technical support?
A5: Yes, we provide engineering drawings, CAD models, installation guides and consultation for project-specific needs.