Universal Lifting Rings are removable lifting rings that each fit three different thread sizes. Available in two ring sizes, with a different load capacity for each thread size. Suitable for fully vertical lifting only, in-line with the threaded bolt, such as when lifting from a single point or from two points with a spreader bar. Forged alloy-steel shackle. Patent no. 4,557,513. Made in the USA.
The smaller size fits three threads with the following load capacities:
1/4-20 400 lbs
5/16-18 800 lbs
3/8-16 1400 lbs
The larger size fits three threads with the following load capacities:
1/2-13 2600 lbs
5/8-11 4000 lbs
3/4-10 6000 lbs
Alloy steel, heat treated, black oxide finish. 100% magnaflux inspected. DFARS and RoHS compliant.