INDUSTRY COMPONENT

Attachment Hook

A robust attachment hook designed for secure connection and load transfer on carrier trolleys in industrial material handling systems.

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Component Specifications

Definition
The attachment hook is a critical load-bearing component integrated into carrier trolleys, engineered to provide a reliable mechanical interface for connecting various loads, fixtures, or tools. It facilitates the safe and efficient transfer of materials along overhead or ground-mounted conveyor systems, ensuring precise positioning and stability during transport operations in manufacturing and logistics environments.
Working Principle
Operates on the principle of mechanical interlocking and load distribution. The hook's geometry (typically a curved or J-shaped design) engages with corresponding attachment points (eyes, loops, or brackets) on loads. When under tension, forces are transferred through the hook's body to the trolley structure, with the design ensuring the load remains securely captured until intentionally released, often through a manual or automated latching mechanism.
Materials
Typically manufactured from high-strength alloy steel (e.g., AISI 4140 or similar grades) for optimal strength-to-weight ratio and fatigue resistance. Surface treatments may include zinc plating, hot-dip galvanizing, or powder coating for corrosion protection in industrial environments. Alternative materials for specific applications include stainless steel (e.g., 316 grade) for corrosive settings or aluminum alloys for lightweight requirements.
Technical Parameters
  • Weight 2 kg to 15 kg depending on size
  • Hook Opening 50 mm to 200 mm
  • Load Capacity 500 kg to 5000 kg (standard range)
  • Safety Factor Minimum 5:1 as per industry standards
  • Shank Diameter 20 mm to 60 mm
  • Working Load Limit (WLL) As per manufacturer rating, typically 1/5 of ultimate strength
Standards
ISO 2415, DIN 15401, ASME B30.10

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Attachment Hook.

attachment hook carrier trolley hook material handling hook load hook industrial hook trolley attachment conveyor hook lifting hook DIN hook ISO hook Attachment Hook in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Carrier Trolley

A rolling component that travels along overhead conveyor tracks to transport suspended loads.

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Engineering Analysis

Risks & Mitigation
  • Overloading beyond WLL
  • Fatigue failure from cyclic loading
  • Wear at contact points reducing strength
  • Corrosion compromising structural integrity
  • Improper engagement causing load disconnection
  • Impact damage from collisions
FMEA Triads
Trigger: Exceeding Working Load Limit
Failure: Plastic deformation or catastrophic fracture
Mitigation: Implement load monitoring systems, clear labeling of WLL, operator training, and regular calibration of weighing devices
Trigger: Fatigue from repeated loading cycles
Failure: Crack initiation and propagation leading to breakage
Mitigation: Design with adequate safety factors, use materials with high fatigue strength, implement regular non-destructive testing (e.g., magnetic particle inspection)
Trigger: Corrosion in harsh environments
Failure: Reduced cross-sectional area and stress corrosion cracking
Mitigation: Apply appropriate protective coatings, select corrosion-resistant materials (e.g., stainless steel), establish regular cleaning and maintenance schedules

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Dimensional tolerances per ISO 2768-m, critical bore and thread tolerances typically H7/g6 or as specified
Test Method
Proof load testing at 2x WLL, non-destructive testing (magnetic particle or dye penetrant), dimensional verification, material certification per EN 10204 3.1

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the difference between a hook's Working Load Limit (WLL) and its breaking strength?

The Working Load Limit (WLL) is the maximum load that should be applied during normal service, typically calculated with a safety factor (often 5:1). Breaking strength is the actual load at which the hook will fail. For example, a hook with 5000 kg WLL likely has a breaking strength around 25,000 kg.

How often should attachment hooks be inspected?

Regular visual inspections should be conducted before each use. Formal documented inspections by qualified personnel are recommended every 6 to 12 months, or as specified by local regulations and manufacturer guidelines, with particular attention to wear, deformation, and corrosion.

Can attachment hooks be used for lifting people?

No, standard industrial attachment hooks are not designed or certified for personnel lifting. Specialized hooks meeting specific safety standards (like EN 13157 for man-riding) are required for such applications.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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