Master Link Assemblies

Master Link Assemblies

Master link assemblies are the central connection point for lifting setups involving chain slings, wire rope slings, or synthetic slings. These assemblies help organize the spacing and alignment between individual sling legs, reducing tangling and improving control during lifting. Each assembly typically features a primary master link and sub-links, creating a structure that can be paired with both single and multiple sling configurations.

Available Sizes and Working Load Limits

This category includes assemblies offered in a variety of sizes and working load limits, suited to match common rigging tasks. Sizes range from 1/4"–5/16" to 3/4", supporting working load limits from 3.5 to 16 tons. Each product is selected for its fit with typical Grade 80 or Grade 100 sling systems and is used across sectors such as marine, logistics, manufacturing, and field operations. The inclusion of working load limits in both tons and pounds offers clarity when aligning the assembly with specific lifting hardware or job site demands.

William Hackett Master Link Assemblies

William Hackett assemblies are known for their consistent shape and clear markings, making them practical for teams that rely on accurate identification in fast-paced settings. The company has a long-standing presence in lifting hardware, particularly within chain-based systems. Their assemblies often come with heat codes and batch numbers, helping simplify traceability and inspection tracking. Many of their products meet recognized standards, supporting their use in regions where compliance with specific design criteria is required.

Yoke Master Link Assemblies

Yoke master link assemblies, also present in this collection, are frequently selected in heavy industrial lifting tasks that demand dependable product markings and compatibility with internationally accepted sling configurations. Yoke is recognized for its broad hardware catalog, and its assemblies are often paired with Grade 100 chain systems or used in manufacturing yards where equipment uniformity matters. Their links are built to match standardized dimensions, so they often fit seamlessly into existing hardware setups without the need for adjustment or adaptation.

Related Hardware Categories

This category sits alongside other useful hardware available at Holloway Houston. Assemblies here are commonly used in conjunction with oblong master links, which are often selected for single-leg applications or when sling legs are spaced more widely. In more complex lifting setups, quad assemblies offer additional sub-links for four-leg sling builds. These help distribute loads across multiple pick points while keeping spacing even and balanced.

Also worth noting are chain sling components, which include connectors, shortening hooks, and grab links that complement the master link assemblies by providing termination points or adjustment options. Users looking to create custom sling systems can mix components from across these categories while keeping compatibility in focus.

Choosing the Right Master Link Assembly

When selecting a master link assembly, matching the size and load rating to the sling legs and primary lifting point is important. Each component in the sling setup must be compatible, not just in terms of strength but also in physical dimensions. The internal opening of the master link should accommodate the crane hook or lifting device without causing binding or misalignment. Sub-links should move freely within the main link and allow for natural positioning of sling legs under tension.

Inspection and Maintenance Tips

While these assemblies are built to support lifting loads, their condition and usage patterns determine their performance over time. Regular inspections are necessary, especially at contact points where wear or flattening can occur. Surface irregularities, stretching, or bending in any of the links indicate the need for removal from service. Keeping assemblies clean and protected from corrosion, impact, or sharp edges can help maintain their usability.

Load Capacity Reference (Tons and Pounds)

Both William Hackett and Yoke assemblies offer a range of load capacities, including options such as 3.5 tons, 4 tons, 5.6 tons, 6.7 tons, 10 tons, and 16 tons. For users who refer to weight in pounds, these convert to working load limits such as 15,432 lbs, 20,502 lbs, 31,966 lbs, 41,887 lbs, 57,319 lbs, 67,240 lbs, 88,184 lbs, and 112,434 lbs. The full range supports lifting tasks from smaller load positioning to larger structural handling work.

When to Use Oblong Master Links

In some cases, a master link assembly may be replaced by a simpler oblong master link when the configuration allows for it. This may apply when using single-leg slings or when the lifting setup includes a limited number of connection points. Holloway Houston offers these options for teams looking to streamline their rigging systems without over complicating the hardware.

Any questions?

In selection of master link assemblies from two trusted manufacturers, covering multiple sizes and capacities for use in sling configurations. With products suited to both standard and more demanding lifting scenarios, this section supports a wide mix of chain slings, wire rope slings, and synthetic sling users.