All types of shackles are available in a self-colored or hot galvanized finish. When ordering specify the size, finish, and type of shackle. Other rust preventative coatings are available on a special basis.
Safety shackles are of the same specifications as the regular types except for the bolt, nut and cotter.
Size, working load limit, and trademark are permanently marked on all shackles. All shackles and pins are heat treated. Loads are based on a safety factor of 6 to 1, except (**) which is a 5 to 1. When tested all shackles are pulled at a uniform rate of speed in a direct tension.
Shackles Meet Performance Requirements of Federal Specifications RR-C-271D Type IVA
Warning: Any deviations such as angular lifts, shock loads, modification of the basic forging, etc., will result in drastically reduced working load limits.
Round Pin - Class 1; Screw Pin - Class 2; Safety - Class 3
Drop forged anchor shackles are typically used on wire rope loops for lifting or towing.
