M14 & M16 Stainless Steel Eye Bolts — A2 Threaded Ring Screws for Catenary Wire & Hanging

Generally, the shank length should provide at least 1× the bolt diameter in thread engagement depth into your substrate. For M14 bolts, lengths range from 50mm (≈2") to 150mm (≈5.9"); for M16, from 60mm (≈2.4") to 170mm (≈6.7"). Measure your substrate thickness, account for any washer or nut stack height, and select a length that leaves adequate thread engagement without the shank bottoming out.

Working load limits depend on bolt size, installation angle, and the substrate material. As a general guideline, M14 and M16 eye bolts in A2 stainless steel typically support several hundred kilograms when loaded axially (straight down, in-line with the shank). Angular loading — even at 45° — can reduce capacity by 30% or more. For safety-critical or overhead lifting applications, always apply an appropriate safety factor and consult a qualified engineer.

A2 stainless steel (304 grade equivalent) offers good corrosion resistance in most outdoor settings, including garden structures, pergolas, and light coastal exposure. For highly aggressive marine environments with constant salt spray or immersion, A4 (316) stainless steel is generally recommended. These bolts are well-suited for typical outdoor DIY and light rigging applications.

These eye bolts use standard ISO metric coarse threads — M14 and M16. They are compatible with standard metric nuts, flat washers, spring washers, and threaded inserts of the corresponding size. They are not compatible with UNC/UNF (imperial) threaded hardware. Always verify thread pitch and diameter before installation.

Yes — the closed-ring eye design makes these bolts well-suited for attaching catenary wire, suspension cables, turnbuckles, hooks, and carabiners. Check that your wire or cable end fitting (thimble, ferrule, or hook) fits through the eye opening. Always load the bolt axially and ensure the anchor substrate (timber, masonry, steel) is rated for the intended load.

A basic catenary wire run between two fixed points typically requires 2 eye bolts — one at each end. Longer spans with intermediate supports, or multi-point hanging systems (such as a grid of pendant lights), may need 4 or more. We offer packs of 1, 2, 4, and 10 pieces so you can order exactly what your project requires without excess.

In through-bolt applications (passing through a panel or beam), a matching M14 or M16 metric nut and flat washer are recommended to distribute load and prevent pull-through. For installations into pre-tapped holes or threaded inserts, ensure adequate thread engagement depth — typically at least 1× the bolt diameter. Nuts and washers are not included and should be sourced separately.