1.Forged steel body: One-piece construction with heat treatment for high load capacity.
2.Efficient pulley system: Precision bearings and smooth sheaves reduce rope wear.
3.Safety design: Built-in latch prevents accidental load release.
4.Custom options: Non-standard crane hook block assembly available for different tonnages.
Whether for tower crane hook blocks, mobile crane hook blocks, or gantry crane hook blocks, our solutions ensure stability and long service life.
| Item | Specification |
| Load Capacity | 100—1,000+ tons (custom options) |
| Material | Forged 34CrNiMo6 / 42CrMo4 |
| Hook Types | Ramshorn, clevis, eye |
| Safety Factor | ≥5 static, ≥6 dynamic |
| Surface Hardness | HRC 36—42 (after heat treatment) |
| Surface Coating | Epoxy paint, hot-dip galvanized |
| Temperature Resistance | -30°C to 400°C |
| Fatigue Life | 200,000+ cycles at 60% load |
| Dimensional Tolerance | ±0.3 mm (critical areas) |
| Compliance Standards | DIN / ISO / ASME / GB/T |
1.High strength: Forged alloy steel resists fatigue and impact.
2.Efficient lifting: Precision crane hook block sheaves improve hoisting speed.
3.Custom adaptability: Sizes and crane hook block parts adjustable to suit different cranes.
The applications of crane hook blocks cover overhead crane hook block for workshops, tower crane hook block for construction lifting, crawler crane hook block for mining and metallurgy, and mobile crane hook block for ports and logistics.
1.Hook design: Streamlined to reduce stress concentration, flaw detection ensures no cracks.
2.Pulley system: Durable sheaves with smooth grooves minimize wire rope wear; sealed bearings extend service life.
3.Connection structure: High-strength bolts with preload prevent loosening; lightweight design reduces crane load.
Hanko Heavy Industry produces certified crane hook blocks with ISO and CE standards. All blocks pass NDT, ultrasonic tests, and overload inspections. From crane hook block drawings to custom crane hook block weights, we ensure safety and reliability. We are manufacturers of crane hook block, offering both standard and custom solutions for global customers.
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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