Rigging Alloy Steel 322 Crane Swivel Hook with Latch Plain Finish Sling Hook industrial Supplies Lifting

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Rigging Alloy Steel 322 Crane Swivel Hook with Latch Plain Finish Sling Hook industrial Supplies Lifting

The red rotating hook is positioned with "high strength, high flexibility, and high safety" as its core, and is made of high-quality alloy steel. The standard model uses G80 grade high-strength steel, which can be upgraded to G100 grade according to heavy load requirements. Through precision machining using forging and heat treatment processes, the hook has a tensile strength of ≥ 1000MPa (minimum tensile strength of G80 grade ≥ 800N/mm ²) and can easily handle rated loads ranging from 1 ton to over 50 tons, providing solid support for heavy lifting operations.
The 360 ° free rotation structure is its iconic design, which achieves seamless rotation through built-in rotating bearings, completely solving the problem of load shaking caused by rope twisting during the lifting process. It keeps the goods stable throughout the lifting, translation, and landing process, greatly reducing the risk of equipment loss caused by angle deviation. The opening size of the hook covers the standard range of 20mm-80mm, with an overall length of 150mm-500mm+. Non standard sizes can be customized according to special working conditions to meet diverse lifting needs.

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Product Applications

Widely used in:

1、 Industrial manufacturing field

Installation and maintenance of production line equipment: used in mechanical processing plants, automobile manufacturing plants, etc., for lifting heavy molds, engine cylinder blocks, large transmission components, etc. With the 360 ° rotation function, precise alignment and installation are achieved to avoid equipment damage due to angle deviation and improve production line operation and maintenance efficiency.

Workshop material handling: handling steel and semi-finished workpieces (such as large castings and forgings) in the workshop, with the help of cranes or electric hoists, easily transporting overweight materials, adapting to the production rhythm of multiple workstations, and helping to build an efficient material circulation system.

2、 Construction Scene

Lifting of building materials: In the construction of high-rise buildings, steel reinforcement bundles, prefabricated concrete wall panels, steel structural components, etc. are lifted. Rotating design can handle complex lifting angles, adapt to tower cranes and construction elevators, ensure safe and efficient vertical transportation of building materials, and accelerate construction progress.

Equipment installation operation: Install building curtain walls, large ventilation ducts, elevator cars, etc., use safety tongue plates to prevent detachment, accurately locate installation positions, reduce the risk of high-altitude operations, and improve installation quality.

3、 Storage and logistics industry

Warehouse cargo loading and unloading: In logistics warehouses and port bonded zones, with the assistance of forklifts and gantry cranes, heavy goods (such as industrial machinery and bulk material pallets) inside containers are loaded and unloaded. The rotation function eliminates rope twisting, ensuring smooth lifting of goods and improving storage and loading efficiency.

Shelf goods replenishment: For heavy goods stored on high-level shelves (such as large household appliances and industrial spare parts), with the help of hook rotation and precise positioning, high-level shelf replenishment and picking can be quickly completed, adapting to automated warehousing and traditional warehousing modes.

4、 Transportation scenario

Vehicle maintenance and rescue: In car repair shops and road rescue, lifting accident vehicles, heavy-duty truck engines, bus chassis, etc. Flexibly rotate and adapt to different trailers and cranes, safely transfer faulty vehicles, and assist in maintenance and rescue operations.

Rail Transit Maintenance: During the maintenance of urban rail transit, subway car components (such as bogies and traction motors) and track laying equipment are lifted and installed accurately in a limited space to ensure the efficiency of rail transit system operation and maintenance.

5、 In the field of energy and chemical engineering

Oilfield equipment handling: In the oilfield operation area, lifting pumping unit components and drilling equipment accessories, dealing with complex terrain and lifting angles in the field, cooperating with oilfield cranes, to ensure the safe progress of oil extraction equipment installation and maintenance operations.

Chemical equipment maintenance: Within the chemical plant area, lifting reaction vessels, pipeline modules, large pump valves, etc., using high-strength materials and safety design, safely completing equipment maintenance and replacement in flammable, explosive, and corrosive environments (with proper protective adaptation), ensuring production continuity.

Product Advantage

1、High - Strength Material

：Made of premium alloy steel (e.g., G80 grade), through forging and heat - treatment. It has excellent tensile strength and wear resistance, ensuring safe use under rated load, suitable for heavy - duty lifting tasks.

2、360° Rotation Flexibility：

Can rotate freely in 360 degrees, effectively eliminating stress from rope twisting during lifting. Enables smooth lifting, moving, and unloading of loads, adapting to complex lifting angles and scenarios like crane or forklift operations.

3、Enhanced Safety Design：

Equipped with a safety latch (auto - rebound locking hook mouth), preventing loads from accidentally falling off. The bright red color is highly visible in complex working conditions, reducing risks in blind spots and improving operation safety.

4、Wide Compatibility：

Standardized interface fits various lifting equipment (cranes, electric hoists, forklifts). No extra modification needed, applicable in warehousing, construction, factory handling, etc., enhancing equipment utilization.

5、Durable & Low - Maintenance：

The alloy steel material, combined with a protective coating, resists moisture, dust, and minor corrosion. Extends service life, cuts down maintenance and replacement costs, ensuring long - term stable operation.

6、Visual Identification

The bright red paint not only makes it stand out in the workplace for easier management and inventory but also serves as a reminder of its presence, reducing the chance of accidental collisions during operation.

Product Parameters

rameter Category	Details	Notes
Material & Strength	- Material: High-strength alloy steel (G80 standard, G100 optional for heavy loads) - Tensile Strength: ≥1000 MPa (G80: ≥800 N/mm² minimum)	Ensures durability and safety under rated loads; suitable for industrial lifting.
Dimensional & Load Data	- Hook Opening Size: 20 mm – 80 mm (standard); customizable for special needs - Rated Load Capacity: 1T – 50T+ (clearly marked on hook) - Overall Length: 150 mm – 500 mm+ (varies by model)	Determines compatibility with slings/attachments; avoids overloading risks.
Rotation & Safety Design	- Rotation Range: 360° free rotation - Safety Latch: Spring-loaded, auto-rebound locking mechanism	Eliminates rope twist; prevents accidental load detachment during dynamic operations.
Surface Treatment	- Coating: Red anti-corrosion paint (custom colors available) - Finish: Smooth, wear-resistant coating	Resists moisture, dust, and minor corrosion; enhances visibility in workplaces.
Compliance & Certification	- Standards: Complies with ISO, ASME B30.10 - Certifications: CE, FDA (depending on market)	Meets global safety regulations for cross-industry and international use.

FAQ

Q1. What is the maximum load capacity of the red rotating lifting hook?

The rated load capacity ranges from 1 ton to 50+ tons, depending on the model. Each hook is clearly marked with its maximum load to prevent overloading. For custom heavy-duty requirements (e.g., over 50 tons), G100 grade alloy steel options are available.

Q2. Can the hook rotate 360 degrees continuously?

Yes, the hook is designed for 360° free rotation. This feature effectively eliminates tension from twisted lifting ropes, ensuring smooth load positioning in complex scenarios like crane operations or tight-space lifting.

Q3. Is the safety latch mandatory, and how does it work?

All models come with a spring-loaded safety latch as standard. It automatically rebounds to lock the hook mouth after loading, preventing accidental detachment of loads during lifting, moving, or sudden stops. The latch is wear-resistant and easy to maintain.

Q4. What materials are used, and is it corrosion-resistant?

The hook is made of high-strength alloy steel (G80 grade as standard, G100 optional). Its surface is coated with red anti-corrosion paint, which resists moisture, dust, and minor chemical corrosion. This ensures durability in outdoor, warehouse, or marine environments.