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Eye bolts
Product Description: Eye bolts are high-strength fasteners specifically designed for lifting heavy loads. Their basic structure includes an upper annular part for connecting to hooks and slings, while the lower threaded part attaches to workpieces (such as equipment bases or molds) to ensu...
Description
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Product Description:
Eye bolts are high-strength fasteners specifically designed for lifting heavy loads. Their basic structure includes an upper annular part for connecting to hooks and slings, while the lower threaded part attaches to workpieces (such as equipment bases or molds) to ensure reliable lifting. These components perform a dual function of connection and load-bearing.
Main Structure and Design Features:
Main Structure and Design Features
The structure of the eye bolt is focused on "lifting safety", with critically important components specifically optimized for load-bearing capacity and prevention of disconnection.
Main Structure
It consists of two parts:
The lower "threaded section" features external threads for connecting to internal threaded holes in load-bearing components.
The upper "eye section" typically forms a full circle (or a D-shaped ring in some cases), designed for attaching hooks, clips, or slings, and serves as the primary load-bearing element.
Key Design Features
The ring and bolt are mostly forged as a single unit, eliminating welded connections. This avoids weld-induced weak points, ensures uniform force distribution during lifting, and prevents breakage.
The inner edge of the ring has a rounded transition with a radius usually ≥ 1.5 times the bolt diameter. This reduces wear from friction between slings and the ring, preventing stress concentration.
The threaded section boasts high precision (typically class 6g) and sufficient length (usually ≥ 1.5 times the bolt diameter), ensuring full engagement with the workpiece threads and preventing disconnection during lifting due to insufficient thread engagement.
Some models are equipped with a "bearing surface" or "fixing step", allowing the ring to be secured with a tool during installation to prevent it from rotating with the bolt during tightening.
Material and Strength Class：
Material composition and strength class directly determine lifting safety, requiring high strength and toughness to reduce the risk of brittle fracture.
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