Carbon steel or stainless steel.

Steel black oxidised.
Stainless steel bright.

Do not use spacer washers between the bush flange and support surface.
The permissible countersink diameter (D2) for the thread should be retained.
Tighten the screws to the stated torque and check and re-tighten regularly. After installation check if the ring turns and swivels freely in all directions.
Lift with care! Avoid impacts!
In no event must the permissible load stamped on the hoist ring be exceeded.

- Insert the assembly key in the holes in the hoist ring.
- Tighten the hoist ring to the recommended torque using a torque wrench.
- The permissible diameter of the countersink must be adhered to.