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Chain Connecting Shackles

In the assembly of Grade 80 and Grade 100 chain slings, minimizing the number of components is key to reducing weight and failure points. Clevis Shackles (also known as Chain Connecting Shackles) are engineered to solve this problem. Unlike standard bolt-type or screw-pin shackles that require a separate coupling link (Hammerlok) to attach to a chain, a Clevis Shackle features a built-in clevis connection that mounts directly to the chain link.

Chain Connecting Shackles

Holloway Houston stocks high-performance Clevis Shackles from Crosby, Green Pin , and Yoke . These components are drop-forged from alloy steel and heat-treated to match the strength and ductility requirements of overhead lifting chains.

Advantages & Design

Streamlined Assembly

The primary advantage of a Clevis Shackle is the elimination of the "middleman." By connecting directly to the chain leg, you remove the need for a separate coupling link. This results in a lighter, shorter, and more cost-effective sling assembly.

The Clevis Connection

The "Clevis" end is designed to fit the specific pitch and width of a standard chain link (e.g., 3/8", 1/2"). A load pin is passed through the chain and secured with a retaining pin (cotter pin or roll pin), creating a permanent, secure connection that allows for full articulation.

Application :

  • Chain Slings : Connecting chain legs to master links or specialized end fittings.
  • Towing : Connecting tow chains to vehicle recovery points.
  • Load Binding : Used in high-stress tie-down applications.

Product Spotlight : Crosby S-265

The Crosby S-265 / S-265 Weldless Sling Link is the industry standard for this category.

  • Material : Forged Alloy Steel, Quenched and Tempered.
  • Rating : Suitable for use with Grade 80 and Grade 100 Chain.
  • Safety : Individually Proof Tested to 2.5 times the Working Load Limit.
  • Traceability : Features Product Identification Code (PIC) for material traceability.

Selection Guide

Selecting the right Clevis Shackle is strictly determined by your chain size.

  • Match the Chain : If you are using 1/2" Grade 100 chain, you must use a 1/2" Clevis Shackle. Mixing sizes or grades (e.g., putting a Grade 80 shackle on a Grade 100 chain) will down-rate the entire assembly.
  • Check the Throat : Ensure the "shackle" end (the bow or dee) has the correct opening to fit the master link or attachment point you are connecting to.

Technical Compliance

  • Standard : Meets or exceeds ASME B30.26 (Rigging Hardware) and performance requirements for ASME B30.9 (Slings).
  • Factor of Safety : Designed with a 4:1 design factor for overhead lifting.

HHI Rigging Services

  • Sling Assembly : We can build custom chain slings using Clevis Shackles in our certified rigging shop.
  • Proof Testing : We perform pull tests on assembled slings to verify the integrity of the clevis connection.
  • Inspection : Our team can inspect your existing chain slings for wear on the load pins—a common failure point in clevis assemblies.

Complete Your Assembly

A Clevis Shackle is designed to be part of a system. Pair these with Grade 100 Alloy Chain and Master Links to build a complete sling. If you need to shorten the chain leg, check our Chain Shorteners category.

Browse our inventory below to filter by Chain Size and Working Load Limit.