D-ring

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#REDIRECT Glossary of underwater diving terminology: D-G

(A) D-ring (shown in isometric view)
(B) Weld-on pivot link; note the incorrect fillet weld call-out (bottom-right). The correct method of securing a weld-on pivot link is a [t weld] which consists of a perpendicular vee butt joint secured to the billet using a butt weld or fusion weld. D-Ring&Weld-on PivotLink.jpg
(A) D-ring (shown in isometric view)
(B) Weld-on pivot link; note the incorrect fillet weld call-out (bottom-right). The correct method of securing a weld-on pivot link is a [t weld] which consists of a perpendicular vee butt joint secured to the billet using a butt weld or fusion weld.

A D-ring is an item of hardware, usually a tie-down metal ring shaped like a capital letter 'D' used primarily as a lashing or attachment point. The term is found interchangeably spelled in different forms, such as: D ring, D-ring or dee-ring.

A D-ring may be used at the end of a leather or fabric strap, or may be secured to a surface with a metal or fabric strap; though there are D-rings with a middle body designed to be welded to steel. Ideally, a D-ring swings freely after it has been secured. D-rings may vary in composition, geometry, weight, finish and load (rated) capacity.

Though there are differences, a weld-on pivoting link is commonly called a D-ring.

To minimize obstruction when the D-ring is not in use, recessed tie-down rings are designed that accommodate the D-ring so it is flush to the surface. There are some non-recessed designs that have an adhesive base. Work load limits are specified where appropriate.

For D-rings used in the bed of a truck to secure loads, regular preventative maintenance is important to avoid costly repairs. [1]

Common uses

A D-ring held by a strap, used to secure cargo in a vehicle D-ring cargo tiedown.jpg
A D-ring held by a strap, used to secure cargo in a vehicle

Applications of D-rings include:

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References

  1. "Don't Let D-rings Be "D" Problem". Preventive Maintenance Monthly (738): 15. May 2014. ISSN   0475-2953.
  2. "How to Make a Dog Collar On Your Own". Country Brook Design. Retrieved 2018-09-18.
  3. KERNS, NANCY (May 2024). "Dog-Walking Waist Belts: A waist belt can be used to secure your dog's leash to you for hands-free walking". Whole Dog Journal. 27 (5): 14–16. ISSN   1097-5322.