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The NATIONAL MARKER N221127 is a zinc-plated steel eye bolt with hex nut, sized at 1/4 inch diameter by 4 inches in length. It is part of the 2160BC catalog series and ships fully assembled with a hex nut and machine screw threads. The zinc finish provides corrosion resistance suitable for both interior and exterior environments. Constructed from steel wire, this eye bolt is built for load-bearing anchor and fastening tasks in a wide range of general construction, rigging, and hardware applications. Tradespeople and facilities maintenance crews install this type of hardware when a secure looped anchor point is needed on wood, metal, or structural surfaces.
This eye bolt is designed for home and industrial applications and performs in both indoor and outdoor settings. Its machine screw thread pattern and included hex nut allow for secure installation in pre-drilled holes. The 1/4-inch shank diameter and 4-inch length make it appropriate for light-to-medium duty anchoring tasks where a loop anchor point is required for hanging, securing, or routing lines and cables.
Designed as a general-purpose replacement or supply eye bolt for light-to-medium duty anchoring applications in residential and industrial settings where a 1/4-inch machine screw thread eye bolt is specified.
Installation is typically performed by general contractors, maintenance technicians, or qualified tradespeople using standard hand tools. Always drill a pilot hole sized to the shank diameter before driving the eye bolt to prevent material splitting or thread damage. Ensure the mounting substrate can support the intended load before securing with the hex nut. De-energize or isolate any nearby systems before working in close proximity to electrical or mechanical equipment.
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