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Hammerlok Coupling Link (Grade 100)

Working Load Limit: 2,700 to 35,300 lbs.
Sizes: 7/32 to 3/4 in.
Herc-Alloy® Hammerlok Coupling Link (Grade 100) is now one of the most recognized and trusted brands in the rigging industry and is only offered by Columbus McKinnon.

Standard Configurations

Size (in): 7/32, 9/32, 3/8, 1/2, 5/8, 3/4
WLL (lbs): 2100, 2700, 4300, 8800, 15000, 22600, 35300

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Features and Benefits

  • Exceptional Strength-to-Weight Ratio
    Made from Herc-Alloy® Grade 100 triple alloy steel. Delivers superior strength while remaining lightweight, making it ideal for demanding lifting and rigging applications
  • High Working Load Limits
    Supports working load limits from 2,700 to 35,300 lbs. Accommodates a wide range of lifting needs, from light-duty to heavy industrial use.
  • Easy Field Assembly
    Assembled using a hammer and punch. Enables quick and tool-light installation or disassembly in the field, reducing downtime and improving efficiency
  • Versatile Connection Capabilities
    Designed to connect chain to master links, hooks, or other fittings. Offers flexibility in rigging configurations, including chain sling fabrication and repairs
  • Trusted Industry Standard
    A recognized and trusted brand in rigging since 1955. Provides peace of mind with a proven track record of safety and reliability in overhead lifting

Specifications

Model Number Grade Size (in) WLL (lbs)
C664021-2 80 7/32 2,100
C667021-2 100 7/32 2,700
C667028-2 100 9/32 4,300
C667038-2 100 3/8 8,800
C667050-2 100 1/2 15,000
C667062-2 100 5/8 22,600
C667075-2 100 3/4 35,300

Documents

Brochures & Catalogs

FAQs

What is the working load limit of the Hammerlok Grade 100?

The working load limit ranges from 2,700 to 35,300 lbs, depending on the size of the coupling link.

 

Can Hammerlok Coupling Links be used for hoist chain repair?

No. Hammerloks should not be used to repair hoist load chains. If a hoist chain is damaged, a full inspection and repair must be done per ASME B30.16 and manufacturer guidelines.

 

What tools are required to assemble a Hammerlok Coupling Link?

Assembly requires only a hammer and punch, making it easy to install or disassemble in the field without specialized tools.

 

What materials are Hammerlok links made from?

They are made from Herc-Alloy® Grade 100 triple alloy steel, offering superior strength-to-weight performance.

 

What sizes are available for the Grade 100 Hammerlok?

Sizes range from 7/32 inch to 3/4 inch, accommodating a wide variety of chain and rigging configurations

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