Bolt - Chain - Shackle
Quick Info: Crosby Shackles - Standard - Bolt Type Chain (for long term connections) - Working Load Limits: 4,000 to 110,000 lbs - For Chain Sizes: 1/2 to 2 1/2 inches
Manufacturer/ Country of Origin: Crosby / USA
Application: Used for a secure long-term or permanent connection and in applications where the load may slide and cause the pin to rotate. Used in general purpose connections of slings, cables, and chains in overhead lifting.
Description: A bolt and cotter type securement system made specifically for use with chains.
Constructed of a bow of carbon steel that has been closed die forged then quenched and tempered, with alloy steel bolt.
The 6 to 1 design factor is the ratio of the minimum breaking strength to the permissible working load.
The shackle size is grade 6. Product Identification Code (PIC for material traceability), and the working load limit is forged into the bow. Approved for use in -40 degrees F to 400 degrees F.
The Crosby Difference: There are many look-a-like Crosby shackles, often found at lower prices and advertised with the same safety standards. Be aware it may refer to safety ratings in effect decades ago. For example, under the same safety standard a decade ago a lifting shackle may be rated to 100% without proof load testing, while today it may be 300% with proof load testing.
Quality Standard: Meets or exceeds the requirements of ASME B30.26, which include identification, durability, design factor, proof load, and temperature requirements. Also, go above and beyond these standard safety requirements by including fatigue life, impact properties, and material traceability; factors that are not required by ASME B30.26. Meets the Federal Specification RR-C-271G, Type: IVB, Grade A, Class 3, except for those provisions required of the contractor. Type Approval certification in accordance with ABS 2016 Steel Vessel Rules and 2016 ABS Guide for Certification of Lifting Appliance. Sizes up to 25 tons meet the performance requirements of EN 13889:2003. *NOTE: All shackles 25 tons and above are equipped with RFID (radio frequency I.D.).
Availability: Shipping time is subject to change PER manufacturer availabilty.
Industry Names: Also known as 'bolt type chain shackles', or 'bolt type bow shackles'.
Includes: (1) one Crosby shackle
WARNING: Never exceed rated capacity!