Views:5 Author:Site Editor Publish Time: 2018-04-12 Origin:Site
Although eye bolts are sometimes made from wood, more commonly they are manufactured in metal. Industrial eye bolts are usually made from steel. Especially the eye bolt made of stainless steel, for example SS304, SS316 and so on.
Eye bolt is a bolt with a loop at one end. They are used to firmly attach a securing eye to a structure, so that ropes or cables may then be tied to it. They are often made in one piece, either bent or forged into shape, but for high loads those with welded loops are used as they can withstand loads up to the tensile strength of the metal from which they are made, thus ensuring there is no danger of the loop being forced open by the weight of the load.
The difference between welded eye bolts and forged eye bolts is that welded eye bolts have a fully closed circular loop welded to the bolt, these tend to be used in installations requiring excessive strength,and forged eye bolts have a loop that is partially open.
Eye bolts can be plain or made with a shoulder, i.e. a collar between the loop and the thread, these can be used in installations where the tension is not from a vertical or horizontal load but is coming from an angle. The type of eye bolt used therefore will depend not only on the strength required but also the desired durability, i.e. how permanent the installation is to be, and the direction of the load.
Eye bolts are often installed into masonry and so versions that form their own anchor bolt are commonly available. Most of these screw into some form of shield anchor. Some lightweight forms are not screwed, but rely on just the pull on the ring itself to expand the anchor.
Industry eye bolts are fully threaded and may have a collar; making them suitable for use with angular loads up to 45°.Eye bolts without a shoulder should not be used for angular loads. Heavy forged eye bolts with a continuous eye may be forged with an integral shoulder, allowing their use for heavy off-axis loads.
Eye bolts have many uses, depending on their size and strength, from the smallest, such as those used to attach string to the back of a painting to allow the painting to be hung from a nail in the wall, to much larger ones that are used for industrial applications such as tie-downs, lifting and attaching steel wires to fence posts.
Eye bolts are widely used in numerous installations, for example: Industrial lifting and material handling equipment, industrial rigging where steel eye bolts are ideal as anchor points, Marine rigging where the eye bolts used are usually stainless steel; industrial installations such as stainless steel balustrades, Leisure; industry where they are used in, for example, zip wire installations, also for securing shade sails; Dockside cranes where heavy duty swivel eye bolts that will automatically adjust to the direction of the load are used. Stainless steel eye bolts are used wherever there is a danger of failure of the equipment due to corrosion, such as frequent contact with chemicals or water.
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