The crane double hook block is forged from high-strength alloy steel and treated for maximum durability. Its dual-hook design distributes loads evenly, minimizing swing and enhancing lifting safety. Each hook block crane is tested with ultrasonic inspection and overload verification to guarantee long service life. Customization is available for different crane hook block types and crane hook block weight, making it suitable for standard, port, and mobile cranes.
| Parameter | Details & Description |
| Material | Q345qD, Q420qD alloy steel / DIN standard 34CrMo4, 34CrNiMo6, etc. |
| Load Range | 3.2 tons – 250 tons (customizable up to 500 tons) |
| Surface Treatment | Anti-rust coating / Electroplating / Special coating (optional) |
| Safety Factor | ≥ 4 times the rated load |
| Pulley Material | Hot-rolled Q235B or Q345B steel |
| Temperature Range | -20℃ ~ 120℃ (customizable for special environments) |
| Manufacturing Process | Integral forging + Heat treatment + Precision machining |
| Testing Standards | Magnetic particle inspection / Ultrasonic testing / 1.5-times rated load test |
| Certifications | ISO 9001 / CE / SGS (varies by model) |
| Warranty Period | 12 months (under normal working conditions) |
1.Strong load capacity: 3.2–250 tons, extendable to 500 tons.
2.Balanced lifting: Dual hooks reduce swing and improve safety.
3.Durable material: Forged alloy steel ensures strength and wear resistance.
4.Flexible options: Multiple crane hook block types to meet different working conditions.
5.Wide compatibility: Fits overhead, gantry, port, and mobile cranes.
Its applications include container and bulk cargo handling in ports, ladle and casting transportation in metallurgy, ore and machinery lifting in mining, steel structure and prefabricated part hoisting in construction, and heavy goods stacking and moving in logistics.
1.Forged Double Hooks: Drop-forged for excellent toughness.
2.High-Strength Crossbeam: Even force distribution across both hooks.
3.Wear-Resistant Pulleys: Reduce rope wear and extend service life.
4.Precision Nuts & Pins: Prevent loosening during heavy loads.
5.Surface Protection: Multi-layer anti-rust coating for harsh environments.
Hanko Heavy Industry has advanced facilities and strict quality control. Every crane double hook block is tested with magnetic particle inspection, ultrasonic detection, and overload verification before delivery. Certified by ISO and CE, our products guarantee safety and reliability. We are manufacturers of crane double hook blocks, offering both standard and customized solutions. Whether you need a specific mobile crane hook block weight or specialized designs, we deliver robust, long-lasting products with full technical support.
Swivel crane hooks allow loads to rotate freely, reducing wire rope stress and improving accuracy.
The single crane hook is the most common lifting component in hoisting systems. Compared with double hooks, it provides a simple, cost-effective solution for medium loads.
The overhead crane hook is a vital lifting component for bridge cranes, gantry cranes, and other overhead lifting equipment.
A mobile crane hook is a vital component that connects the crane to the load. Designed for heavy-duty use, it ensures strength, safety, and efficiency.
A forged crane hook is a key lifting component that ensures both operator and load safety.
The eot crane hook connects crane and load, ensuring safety and efficiency during lifting. It works with hoist and trolley systems and supports crane main hook and auxiliary hook lifting.
Hanko products are manufactured using high-strength materials and go through strict quality inspections to ensure durability and operational safety.
We offer custom manufacturing services for non-standard parts based on customer drawings or specific requirements.
Our products meet international standards and are exported worldwide, earning the trust of clients across Asia, the Middle East, Europe, and beyond.
Over time, wear and tear can affect safety and performance — regular replacement ensures reliability.
Yes, we ensure continued availability of all key spare parts.
Yes, we can dispatch engineers for on-site installation or commissioning
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