







The bucket screw, also fondly known as the bucket bolt or dustpan screw, stands as a formidable fastener with a uniquely crafted head. Here's an in-depth exploration of its features and benefits:
1, Basic Structure
The bucket screw is ingeniously composed of two integral parts: the head and the screw itself.
1. Head: Fashioned in the shape of a hopper or a hexagonal cone, this head design is the hallmark of bucket screws. It provides an unparalleled locking effect and remarkable load-bearing capacity during the installation process, ensuring robust performance.
2. Screw: This is a cylindrical structure adorned with threads, designed to seamlessly interface with threaded holes on the connected part, thereby securing an impeccable connection.
2, Performance Characteristics
1. High Strength: Crafted from high-strength steel, bucket screws can endure substantial tensile and shear forces, rendering them perfect for demanding, heavy-duty applications.
2. Wear and Corrosion Resistance: To bolster resilience against wear and environmental challenges, many bucket screws undergo specialized surface treatments like galvanizing, spraying, or hot baking paint, making them ideal for outdoor or harsh conditions.
3. Effortless Installation and Removal: While the installation and removal of bucket screws demand professional expertise and tools, their distinctive head design ensures that once fitted, they deliver a steadfast lock and resist loosening under pressure.
3, Application Scenarios
Owing to their distinctive architecture and commendable performance attributes, bucket screws find their place in numerous applications:
1. Mechanical Equipment: Integral to the assembly of liners, hoppers, and belt connections in massive machinery such as ball mills, crushers, elevators, and conveyors, bucket screws play a critical role in securing significant components.
2. Construction Engineering: A staple in construction engineering, these screws are pivotal in connecting steel structural components, granting superior fastening strength.
3. Other Industrial Realms: In sectors like mining machinery, oil well operations, and drilling rigs, where fastener strength and dependability are paramount, bucket screws rise to the challenge, fulfilling stringent requirements.
4, Selection and Installation
Critical considerations when choosing and installing bucket screws include:
1. Selecting Proper Specifications and Models: Choose bucket screw specifications and models that align with the material, thickness, and connection needs of the assemblies. Ensure compatibility in head shape, screw diameter, length, and other crucial parameters.
2. Utilize Professional Tools: Employ professional tools like wrenches, screwdrivers, or specialized rivet guns for the installation and removal of bucket screws. Avoid unsuitable tools to prevent damage or faulty installation.
3. Adhere to Proper Installation Sequence and Force: During installation, bucket screws must be tightened in a precise sequence and with appropriate force. Avoid over-tightening to prevent screw breakage or damage to connected parts.
5, Maintenance and Upkeep
For prolonged bucket screw service life, diligent maintenance and care are essential:
1. Monitor Fastening: Regularly inspect the fastening status of bucket screws to ensure they remain secure. Promptly tighten any that show signs of loosening.
2. Surface Cleaning: Routinely eliminate dirt and corrosive substances from the screw surfaces to maintain cleanliness and dryness.
3. Replace Damaged Screws: Should any bucket screws become damaged or worn, immediate replacement with new ones is crucial for ensuring the connection's reliability and safety.