Round Pin - Shackle
Quick Info: Crosby Shackles - Standard - Anchor - Round Pin Type - Round Pin Type Chain (for applied in-line loads) - Working Load Limits: 1,000 to 70,000 lbs - For Chain Sizes: 1/4 to 2 inches
Manufacturer / Country of Origin: Crosby / USA
Application: Used in tie-downs, towing, suspension, or lifting applications where the load is strictly applied in-line.
Description: Outfitted with a round pin and cotter type securement system and a large round body. Constructed of a bow of carbon steel that has been closed die forged then quenched and tempered, with alloy steel pin.
The 6 to 1 design factor is the ratio of the minimum breaking strength to the permissible working load. The shackle size, grade, 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.