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Hyskraankopblok

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crane hook types crane hook crane main hook block overhead crane hook

Hyskraankopblok

1.Super Load Capacity: The crane main hook block is one-piece forged from alloy steel, tensile strength >800 MPa. With heat treatment, wear resistance is 30% higher than standard hooks.

2.Precision & Adaptability: Each hook block crane is CNC-machined with self-lubricating bushings, lowering noise (≤65 dB). Fits over 90% of crane brands.

3.Strict Safety Testing: Every main hook block passes magnetic inspection, ultrasonic checks, and 1.5× load testing.

4.Flexible Customization: Options include hook size, pulley number, and lifting points. We provide fast service, 1-year warranty, and lifelong support.

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Specification Category Specification Description Remarks
Material Hook: Alloy Forged Steel (42CrMo/35CrMo) Complies with GB/T 10051.2 Standard
Rated Lifting Capacity 5t – 500t Customizable for larger loads
Number of Pulleys 1 – 8 pieces Based on lifting capacity and ratio
Pulley Diameter 120mm – 800mm For wire rope Ø 6mm – 60mm
Surface Treatment Powder Coating (RAL 2003 Orange) / Hot-Dip Galvanizing Rust resistance: ≥480h salt spray
Safety Factor Static ≥3.5, Dynamic ≥2.5safety factor ≥2.5 Complies with ISO 10474
Temp. Range -40℃ – 60℃ Custom low-temp options available
Warranty 1 Year Lifetime tech support

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crane hook types
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crane main hook block product features

Produkkenmerke en Toepassings

1.Forged Strength: No welds, higher wear resistance.

2.Smooth Operation: Bearings and bushings reduce friction and rope wear.

3.Safety Design: Anti-drop baffle and rust-proof coating.

4.Low Maintenance: Replaceable crane hook block parts save cost.

The crane main hook block is vital in ports for container handling, in mining for ore lifting, in construction for steel bars and prefabricated components, in metallurgy for ladles and billets, and in warehousing for heavy cargo stacking.

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crane-main-hook-block-details

Produkbesonderhede

1.Hook Head Detail: Arc transition design prevents rope cutting; anti-drop baffle welded with thickened plate keeps gap ≤5mm.

2.Pulley Block Detail: Precision-machined hole tolerance ±0.05mm with high-hardness bearings, low noise, and quenched surface for wear resistance.

3.Connecting Shaft Detail: Made of 40Cr with chrome plating for smoothness and corrosion resistance. Double-nut lock prevents loosening.

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Produkdienste

Hanko Heavy Industry specializes in the R&D and manufacturing of the crane main hook block. By using forged alloy steel, we ensure exceptional load capacity and wear resistance. Every step—from raw material inspection to machining—is strictly controlled. All blocks undergo non-destructive testing and overload tests before shipment. Whether single-or multi-sheave, outdoor or rough-terrain, our hook block crane solutions are tailored to customer needs.

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Can the crane main hook block be adapted to my existing crane brand?
Yes. Compatible with most brands. Custom crane hook block types available.
Every 3 months: check crane hook block parts, pulleys, and anti-rust surfaces.
Crane hook block weight varies by load and pulley. For mobile cranes, mobile crane hook block weight must be considered in lifting plans.
Crane hooks are made of forged alloy steel, ensuring strength and safety.

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