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Views: 222 Author: Loretta Publish Time: 2025-09-29 Origin: Site
Content Menu
● Manufacturing Process of Anchor Shackles
● Leading Anchor Shackle Manufacturers in America
>> Crosby
>> American Crane & Equipment Corp.
>> OneMonroe (Monroe Engineering Products)
>> Chicago Hardware & Fixture Co.
● Key Anchor Shackle Suppliers in America
>> Washington Chain & Supply, Inc.
● OEM Services and Global Collaboration
● Important Factors When Choosing Anchor Shackle Manufacturers and Suppliers
● Applications of Anchor Shackles
● Frequently Asked Questions (FAQ)
>> What materials are commonly used to make anchor shackles? (1)
>> How can I verify the quality and standards of anchor shackles? (2)
>> Do American suppliers offer customization for anchor shackles? (3)
>> What industries primarily use anchor shackles? (4)
>> How do Chinese OEM factories collaborate with American anchor shackle suppliers? (5)
Anchor shackles play an indispensable role in marine, lifting, rigging, and industrial applications, serving as critical connectors between anchors, chains, and other hardware. America's anchor shackle manufacturers and suppliers are known for delivering products that meet stringent safety, durability, and quality standards. This article comprehensively explores the top anchor shackle manufacturers and suppliers in America, detailing their manufacturing processes, product certifications, and industry applications. It also covers collaborative OEM services with leading Chinese factories such as Wuhan Jiangnan Anchor Chain Co., Ltd., providing customized solutions for the global market.
Anchor shackles are U-shaped metal fittings with a pin or bolt that closes the opening, allowing secure connections between lifting or anchoring components. Made from forged alloy steel, carbon steel, or stainless steel, they are designed to withstand extreme loads and harsh environments. Commonly used in marine, construction, oil and gas, agriculture, and aerospace industries, these shackles provide strength and reliability essential to safe load handling.
Manufacturing high-quality anchor shackles involves several precise stages critical to ensuring product performance and safety:
- Cutting and Heating: Raw round steel is cut to lengths suitable for the size of the shackle being produced and heated in induction furnaces to precise temperatures necessary for forging.
- Forging: The heated metal is shaped through closed-die forging, a method preferred by leading manufacturers like Crosby for superior grain flow, consistency, and strength. This process compacts the grain structure, improving mechanical properties.
- Drilling and Threading: Carefully controlled drilling creates pin holes, followed by threading in some shackle types. Automated robotic systems are often used for efficiency and precision.
- Heat Treatment: Quenching and tempering transform the steel's microstructure into tempered martensite, enhancing toughness, ductility, fatigue resistance, and minimizing brittle fractures.
- Surface Finishing: Shot blasting removes impurities, followed by corrosion-resistant coatings such as galvanizing or powder coating, enabling the shackles to endure saltwater and harsh weather conditions.
- Quality Inspection: Each shackle undergoes rigorous pull-testing and magnetic particle inspection to detect defects. Only shackles passing these stringent tests receive certification and are marketed.
This process requires not only advanced machinery but also experienced personnel who monitor every step to guarantee safety and durability.
A pioneer in forged rigging hardware, Crosby manufactures a range of alloy and galvanized anchor shackles, with the G-209A model considered the U.S. industry benchmark. Their closed-die forged shackles ensure superior grain flow and mechanical properties, suitable for marine and lifting applications. Crosby strictly adheres to ASTM, AWS, and Mil-Spec standards, providing comprehensive traceability of materials and load capacity ratings.
American Crane & Equipment specializes in heavy-duty mounting shackles used in aerospace, marine, oil and gas, and nuclear industries. Their shackle products comply with AWS and ASME standards, supporting critical operations with reliable performance and safety.
ISO 9001:2015 and AS9100D certified, OneMonroe provides a broad portfolio of rigging shackles, including anchor, chain, and specialty designs. Their advanced manufacturing capabilities include drilling, milling, welding, and finishing, enabling prototype and contract productions alongside standard orders.
With customized manufacturing expertise, National Bolt & Nut Corp. produces shackles from diverse materials, including alloy steel, aluminum, stainless steel, and corrosion-resistant alloys like Monel® and Inconel®. Their products serve marine, agricultural, and electronic industries, ensuring robust, bespoke rigging components.
Dating back to 1912, Chicago Hardware focuses on drop-forged anchor shackles catered to marine use. They offer rust-preventive coatings, hot galvanizing, and self-colored finishes for excellent corrosion resistance per ASTM standards.
Washington Chain & Supply is a leading distributor with one of the largest inventories of anchors, chains, and fittings in the United States. Their nationwide distribution network ensures fast delivery and availability of hard-to-find shackles and marine hardware.
Peerless Industrial Group, an ISO 9001:2008 certified supplier, provides polymer and vinyl-coated anchor chains alongside heavy-duty shackles. Their offerings are ideal for commercial maritime, navy, and offshore projects.
Penn Tool specializes in distributing carbon and stainless steel anchor shackles suitable for various marine and industrial applications. They provide export-quality rigging hardware recognized for strength and durability.
A significant number of American anchor shackle suppliers and manufacturers collaborate with world-class factories in China, like Wuhan Jiangnan Anchor Chain Co., Ltd. — a modern manufacturer specializing in marine anchor chains, floating buoy anchor chains, and outfitting products. This factory provides comprehensive OEM services, supplying custom-designed shackles and components that meet global standards.
These partnerships are vital as they lower costs, diversify supply chains, and enable customization while maintaining quality assurance through international certifications such as ISO and ASTM. Such synergy between American distributors and Chinese manufacturers ensures clients receive bespoke products suited to specific operational needs.
- Certification and Standards Compliance: Confirm products meet ASTM, Mil-Spec, ISO, AWS, or ASME standards for performance and safety.
- Material and Durability: Selection of carbon steel, alloy steel, or stainless steel should align with corrosion and strength requirements.
- Load Capacity Ratings: Ensure shackles are rated appropriately for the intended application, with clear working load limits.
- Customization and OEM Support: Ability to produce tailored sizes, materials, and packaging.
- Inventory and Delivery: Reliable stock levels and shipping timelines matter to maintain uninterrupted operations.
- Technical Support: Access to product documentation, testing certificates, and expert advice.
Anchor shackles find use in multiple demanding environments:
- Marine Industry: Connecting anchors to chains, securing mooring lines, and supporting deck rigging.
- Construction: Lifting heavy equipment or materials with cranes and hoists using shackles as key load-bearing connectors.
- Oil and Gas: Offshore rig installations require shackles that withstand corrosive environments and massive loads.
- Agriculture: Used in securing heavy machinery or towing operations.
- Aerospace: Precision shackles for secure assembly or maintenance lifts.
The American anchor shackle market benefits from experienced manufacturers and dependable suppliers, providing high-quality, certified rigging hardware essential across many sectors. Industry leaders such as Crosby, American Crane & Equipment, OneMonroe, and National Bolt & Nut Corp. set high benchmarks for durability and standards compliance. Key suppliers including Washington Chain & Supply and Peerless Industrial Group ensure excellent availability.
Strategic collaborations with top-tier Chinese OEM factories like Wuhan Jiangnan Anchor Chain Co., Ltd. enable American companies to offer customized, cost-effective anchor shackles, blending technology and tradition for superior performance worldwide. Whether for marine mooring, heavy lifting, or specialized industrial applications, customers can rely on a diverse, high-performance catalog of anchor shackles from trusted American and global partners.
Anchor shackles typically use alloy steel, carbon steel, and stainless steel. In specialized cases, corrosion-resistant alloys like Monel® and Inconel® are used for extreme environments requiring enhanced durability.
Verify manufacturers comply with ASTM, Mil-Spec, ISO, AWS, or ASME standards. Manufacturers usually provide proof-load test certificates, material traceability codes, and magnetic particle inspection reports to confirm quality.
Yes, many suppliers provide OEM and customization services. This includes specific sizes, load ratings, materials, finishes, and packaging tailored to client needs.
Anchor shackles are widely used in marine, oil and gas, construction, agriculture, aerospace, and heavy lifting sectors as essential connectors in rigging operations.
Chinese OEM factories manufacture customized anchor shackles per American clients' specifications, ensuring international certification compliance. This partnership optimizes supply chains, reduces costs, and enhances product variety.
[1](https://hilifting.com/how-the-shackle-is-produced/)
[2](https://www.youtube.com/watch?v=jAeF2PCfH4A)
[3](https://tallmanequipment.com/wp-content/uploads/2020/07/CMSuperStrongShackleSpecs.pdf)
[4](https://www.scribd.com/document/230363336/Anchor-Shackle)
[5](https://cglift.com/wp-content/uploads/2020/09/Shackles.pdf)
[6](https://tigerlifting.com/wp-content/uploads/2024/10/Technical-sheet-8-838-202410.pdf)
[7](https://anchors.co.za/wp-content/uploads/2017/11/anchor-industries-products-shackles.pdf)
[8](https://bidplus.gem.gov.in/bidding/bid/documentdownload/7093441/1730531976.pdf)
[9](https://resource.iyp.tw/static.iyp.tw/4262/files/54f6c73b936c2.pdf)
