D-ring
![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/38/D-ring_cargo_tiedown.jpg/220px-D-ring_cargo_tiedown.jpg)
A D-ring held by a strap, used to secure cargo in a vehicle
A D-ring is a D-shaped metal ring used primarily as a lashing point in a tie-down system. Depending on their function D-rings may vary in composition, geometry, weight, finish, and load capacity. They may be screwed or welded in place, or attached to the end of a cord or a strap.
In permanent applications recessed tie-down rings minimize obstruction when the ring is not in use.
A D-ring may be also used as a permanent lifting point, or as a part of a tether. The most basic carabiner is a D-ring with a pivoting gate.
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Categories:
- Hardware (mechanical)