European Type Forged Carbon Steel Bow Shackle Galvanized for Heavy Industry & Marine Rigging

European Type Forged Carbon Steel Bow Shackle Galvanized for Heavy Industry, Marine Rigging & Webnet

1. Product Description

The European Type Forged Carbon Steel Bow Shackle is a high‑strength, galvanized lifting and rigging component designed for heavy industry, marine mooring, construction hoisting, and webnet (safety net) tensioning. Manufactured from premium carbon steel via drop forging, this bow (anchor) shackle features a hot‑dip galvanized finish for excellent corrosion resistance in harsh outdoor, marine, and industrial environments.

The shackle is produced to European standards, offering a wider bow radius than D‑shackles, which allows it to accept multiple sling legs or larger rope eyes without pinching. It is 100% load tested and available in sizes from 3 mm to 32 mm, with breaking loads ranging from 400 kg to 38,000 kg (0.4T to 38T). The standard pin type is a round collar pin (screw or locking pin optional). Fully customizable in size, packaging, logo, surface finish, and material (carbon steel or alloy steel). Free samples and small orders are accepted, with door‑to‑door service available.

Ideal for heavy‑duty lifting, marine rigging, webnet tensioning, towing, and general industrial fastening, this forged bow shackle combines strength, safety, and long service life.

2.Product Attributes

3. Parameter Table

Additional Specifications:

Material: Forged carbon steel (high strength, heat treated)
Surface finish: Hot‑dip galvanized (zinc coating)
Pin types: Round collar pin (standard); locking pin, oval sink pin, square head pin also available
Working load limit (WLL): Typically 1/4 to 1/5 of breaking load (safety factor 4:1 or 5:1)
Design standard: European type, meets EN 13889 or equivalent

4. Key Features

• Drop forged carbon steel construction – Provides high tensile strength, impact resistance, and durability for heavy‑duty lifting and rigging.

• Hot‑dip galvanized finish – Superior rust and corrosion protection for outdoor, marine, coastal, and industrial environments.

• European bow (anchor) shape – Wider bow radius accommodates multiple sling legs, larger shackles, and prevents rope or chain pinching. Reduces stress concentration.

• High breaking load – Sizes 3‑32mm with breaking loads up to 38,000 kg (38 tons), suitable for light to extremely heavy lifting.

• Multiple pin options – Standard round collar pin, locking pin, oval sink pin, or square head pin available to suit different applications.

• 100% load tested – Each shackle is proof‑tested to its rated breaking load, ensuring safety and reliability.

• Fully customizable – Size, packaging, logo, surface finish, and material can be tailored.

• Free samples & small orders – Low minimum order quantity for trials; free samples for quality verification.

• Wide applications – Heavy industry, marine rigging, webnet tensioning, construction hoisting, towing, mining, and offshore.

5. Applications

The European Type Forged Carbon Steel Bow Shackle is used in a variety of demanding fields:

• Heavy industry – Overhead crane lifting, steel mill rigging, heavy equipment maintenance, industrial hoisting.

• Marine rigging – Ship mooring lines, anchor chain connections, towing bridles, dock securing, offshore platform lifting.

• Webnet (safety net) systems – Tensioning and connecting galvanized steel wire rope nets (webnets) for rockfall protection, animal enclosures, building facades, sports safety nets, and fall arrest barriers.

• Construction & hoisting – Steel beam lifting, concrete formwork, scaffolding ties, crane sling attachments.

• Truck lashing & cargo securement – Flatbed trailer tie‑downs, container lockdown, heavy cargo binding.

• Mining & quarry – Conveyor belt repairs, chain connections, safety line anchors.

• General engineering – Machinery fixing, towing, agricultural equipment, and stage rigging.

6. Technical Principles

6.1 Material & Forging Process

The shackle is drop forged from high‑quality carbon steel (e.g., grade 20#, 35# or equivalent). Forging aligns the grain structure, eliminating internal voids and increasing strength and fatigue resistance. The bow shape distributes tensile loads evenly across the curved body, minimizing stress risers at the pin holes.

6.2 Safety Factor

These shackles are designed with a typical safety factor of 4:1 or 5:1 (breaking load / working load limit). For example, a shackle with a breaking load of 10,000 kg has a safe working load (SWL) of 2,000–2,500 kg. Users must never exceed the SWL and should account for dynamic loads, side angles, and wear.

6.3 Hot‑Dip Galvanizing

The zinc coating (typically 40‑80 µm thick) provides cathodic protection. Even if the coating is scratched, the zinc corrodes preferentially, protecting the steel base. This makes the shackle suitable for long‑term outdoor exposure, saltwater splash zones, and humid construction sites.

6.4 Pin Locking Mechanisms

• Round collar pin – Quick insertion and removal; the collar prevents the pin from sliding out under normal loads. Suitable for static or low‑vibration applications.

• Locking pin / square head pin – Provides a more secure fit, often used where vibration or rotation is expected.

• Oval sink pin – Recessed design for flush mounting.

6.5 Load Testing & Traceability

Each shackle is proof‑loaded to 100% of its rated breaking load. Permanent markings (size, grade, and sometimes load rating) are stamped on the body for traceability and compliance with international standards (e.g., EN 13889, ASME B30.26).

Company Profile- anping county huihao wire mesh manufacture co.,ltd Huihao mainly produce: metal rings mesh, insulation fasteners, decoration metal mesh.

Huihao services include : pattern design frame design installation system design surface finished Mould customization