- +86 13962947398
- sales@yutungindustrial.com
- WhatsApp 7day-24h
Fanged Elevator Bolts for Bucket Elevators
Fanged elevator bolts are designed to securely fasten elevator buckets to conveyor belts. The fanged head structure prevents the bolt from rotating during installation, ensuring a stable and reliable connection even in high-load and high-vibration conveying systems.
Key Features
- Fanged head design prevents bolt rotation during tightening
- Provides secure fastening between bucket and conveyor belt
- Suitable for grain, feed, and bulk material handling systems
- Available in carbon steel, zinc plated, and stainless steel
- Compatible with standard elevator bucket mounting systems
- Supplied with nuts and washers for complete installation
Why Choose Fanged Elevator Bolts
Unlike standard bolts, fanged elevator bolts are specifically designed for conveyor systems. The sharp fangs under the head bite into the belt or bucket surface, locking the bolt in place and preventing loosening caused by vibration, impact, or continuous operation.
This makes them a reliable solution for long-term use in demanding environments such as grain processing, feed production, and industrial conveying systems.
Applications
Fanged elevator bolts are widely used in:
- Grain elevators
- Feed processing plants
- Cement and bulk material handling systems
- Agricultural conveying equipment
- Industrial conveyor systems
Technical Drawing with Picture
Specification
| Model | d | Diameter(mm) D | Length(mm) L | Package (pcs per carton ) |
|---|---|---|---|---|
| M6 X 25 | M6 | 25 | 25 | 2000 |
| M6 X 30 | M6 | 25 | 30 | 2000 |
| M6 X 38 | M6 | 25 | 38 | 1500 |
| M8 X 30 | M8 | 27 | 30 | 1000 |
| M8 X 35 | M8 | 27 | 35 | 1000 |
| M8 X 42 | M8 | 27 | 42 | 1000 |
| M8 X 45 | M8 | 27 | 45 | 1000 |
| M10 X 35 | M10 | 30 | 35 | 600 |
| M10 X 45 | M10 | 30 | 45 | 600 |
| M10 X 50 | M10 | 30 | 50 | 600 |
Fang Elevator Bolt Accessories
Hexagon Nut
- Strength: Level 5
- Thread precision: 6H
- Surface treatment: Passivation of Zinc Plating
- Material: 65Mn
- Surface treatment: Oxidation treatment
- Hardness: 100HV
- Surface treatment: Galvanized
- Hardness: 100HV
- Surface treatment: Galvanized
Fang Elevator Bolt Set Options:
- Option F: Square nut
- Option Y: Domed washer + Spring washer + Hexagon Nut
- Option S: Larger flat washer + Spring washer + Nyloc nut
- Option P: Larger flat washer + Spring washer + Hexagon nut
- Option WS: Domed washer + Spring washer + Nyloc nut
Two fangs Elevator Bolt Type for your choice:
Technical Advantages
- High-precision 6g threads ensure smooth installation and secure fastening
- Higher strength grade (above 4.8–5.6) provides reliable performance under load
- Galvanized surface treatment enhances corrosion resistance and extends service life
Matching Components
We can supply a complete solution including:
- Elevator buckets
- Washers
- Nuts
- Conveyor components
👉 This ensures perfect matching and simplifies your procurement process.
👉 Need Help Choosing the Right Bolt?
Contact us for selection support or a complete bucket + bolt matching solution tailored to your system.
Fanged vs Ordinary Elevator Bolts (Bucket Elevator Fastening Comparison)
Choosing the right elevator bolt is critical for system stability and maintenance cost.
| Feature | Fanged Elevator Bolt | Ordinary Elevator Bolt |
|---|---|---|
| Head Structure | With sharp fangs under the head | Smooth underside (no fangs) |
| Anti-Rotation | Excellent – fangs bite into belt to prevent rotation | Limited – may rotate during installation |
| Installation | Easy, no need to hold bolt head | Requires holding the head during tightening |
| Fixing Stability | Strong locking effect, less loosening | Relies on friction, may loosen over time |
| Vibration Resistance | High, suitable for continuous operation | Moderate, may loosen under vibration |
| Belt Grip | Firm grip on belt surface | Lower grip compared to fanged type |
| Installation Efficiency | Faster and more convenient | Slower installation process |
| Application | Recommended for heavy-duty and high-load systems | Suitable for light-duty or standard systems |
| Maintenance | Lower maintenance due to stable fastening | May require re-tightening |
| Cost | Slightly higher | Lower |
👉 Quick Selection Tip
- Fanged elevator bolts are ideal for high-load, high-vibration conveying systems, ensuring secure and maintenance-free operation
- Ordinary elevator bolts are suitable for standard applications with lower load requirements
When to Choose Fanged Elevator Bolts
Choosing the right elevator bolt is essential for ensuring stable operation, reducing maintenance, and extending the service life of your conveyor system.
Fanged elevator bolts are recommended in the following situations:
High Load Conveying Systems
When handling heavy materials such as cement, sand, or aggregates, fanged bolts provide stronger locking performance and prevent loosening under load.
High-Speed or Continuous Operation
In systems running continuously or at high speeds, vibration can cause ordinary bolts to loosen. Fanged bolts ensure stable fastening over long periods.
Frequent Start–Stop Conditions
For applications with frequent start and stop cycles, additional vibration and impact occur. Fanged bolts help maintain a secure connection.
Difficult Installation Conditions
If access is limited and it is difficult to hold the bolt head during installation, fanged bolts simplify the process and improve efficiency.
Reduced Maintenance Requirements
For systems where maintenance access is limited or downtime must be minimized, fanged bolts reduce the need for re-tightening and inspections.
FAQ – Fang Elevator Bolt
What is a fang elevator bolt?
A fang elevator bolt is a specialized fastening bolt used to secure elevator buckets to elevator belts in bucket elevator systems. It features anti-rotation fangs under the head to improve grip and prevent loosening during operation.
What are the main features of fang elevator bolts?
Fang elevator bolts are designed with serrated or fang-style teeth beneath the bolt head. These teeth bite into the belt surface to prevent spinning during installation and provide a stronger, more secure connection.
What applications are fang elevator bolts used for?
Fang elevator bolts are commonly used in bucket elevators handling grain, feed, fertilizer, seed, cement, and other bulk materials where secure bucket attachment is required.
What materials are available for fang elevator bolts?
Fang elevator bolts are commonly available in carbon steel, zinc-plated steel, and stainless steel. Material selection depends on corrosion resistance, wear conditions, and environmental requirements.
Why use fang elevator bolts instead of ordinary bolts?
Fang elevator bolts provide improved anti-slip performance and reduce bolt rotation during tightening. This helps maintain secure fastening in high-vibration conveying systems.
How do I choose the correct fang elevator bolt size?
The correct bolt size depends on bucket thickness, elevator belt thickness, mounting hole diameter, and system load requirements. Matching the bolt length and thread size ensures secure installation.
Are fang elevator bolts suitable for heavy-duty conveying systems?
Yes, fang elevator bolts are widely used in industrial bucket elevators because they provide strong fastening performance and reliable bucket retention under continuous operation.
👉 Not sure which bolt fits your system?
Contact us for selection support or a complete bucket + bolt solution tailored to your application.



