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Hand Chain Block
Grosby

Dee shackles safety pin

The theoretical reserve capability of carbon shackles should be as a minimum 5 to 1, and alloy shackles a minimum of 5 to 1*. Known as the DESIGN FACTOR, it is usually computed by dividing the catalog ultimate load by the working load limit. The ultimate load is the average load or force at which the product fails or no longer supports the load. The working load limit is the maximum mass or force which the product is authorized to support in general service. The design factor is generally expressed as a ratio such as 5 to 1. Also important to the design of shackles is the selection of proper steel to support fatigue, ductility and impact properties.

Brand

Grosby
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Description

Metric Dimensions & Specifications

Working Load Limit (tonnes) G-2169 Stock No. S-2169 Stock No. Weight Each (kg) Dimensions (mm)
B (+/- .25) C D (+/- .25) E G H J K L M P R
7 1021655 1021664 3.5 31.8 17.5 22.4 46.2 31.8 90.4 40.6 31.8 12.7 101 104 149
12.5 1021673 1021682 8.8 42.9 23.4 28.7 60.5 34.8 118 54.1 41.4 14.2 130 140 194
18 1021691 1021699 13 51.6 29.5 35.1 68.3 38.1 148 63.5 50.8 17.5 159 172 238
Dimensional Drawing

Imperial Dimensions & Specifications

Working Load Limit (tonnes) G-2169 Stock No. S-2169 Stock No. Weight Each (lbs.) Dimensions (in.)
B (+/- .25) C D (+/- .25) E G H J K L M P R
7 1021655 1021664 7.7 1.25 17.5 22.4 46.2 31.8 90.4 40.6 31.8 12.7 101 104 149
12.5 1021673 1021682 19.4 1.69 23.4 28.7 60.5 34.8 118 54.1 41.4 14.2 130 140 194
18 1021691 1021699 28.7 2.03 29.5 35.1 68.3 38.1 148 63.5 50.8 17.5 159 172 238
Dimensional Drawing
About brand

The Crosby Group is a global leader in lifting, rigging, and material handling solutions. Founded in 1836, the company is known for manufacturing high-quality products such as shackles, hooks, wire rope clips, and load binders, primarily used in construction, oil and gas, maritime, and other heavy industrial sectors.

Headquartered in Richardson, Texas, USA, Crosby operates worldwide, offering a comprehensive range of lifting and rigging products designed for safety, reliability, and performance. The company is recognized for its engineering innovation, rigorous product testing, and adherence to industry standards. Crosby's products are widely used in critical applications where safety is paramount.

The Crosby Group also emphasizes training and education, offering rigging training courses to ensure that professionals in the industry are knowledgeable about safe lifting practices.

Benefits
  • Significantly improves the life of wire rope slings.
  • Can be used to connect HIGH STRENGTH Round Slings, Synthetic Round Slings or Wire Rope Slings.
  • Increase in shackle bow radius provides minimum 58% gain in sling bearing surface.
  • Increases usable sling strength a minimum of 15%.
Features
  • Capacities of 7, 12.5 and 18 metric tonnes.
  • Quenched and Tempered for maximum strength.
  • Forged Alloy Steel.
  • Available in galvanized (G2169) and self colored (S2169) painted finish.
  • Individually proof tested and magnetic particle inspected. Crosby certification available at time of order.
  • Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these shackles meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.