You correctly pointed out a huge safety factor and it would still be huge but not as huge. You would never want to design close to that margin. That IMHO is close to double of any normal hardware you are likely to find. They come in a range of lengths and are suitable for attachment to timber and masonry.A few posts back you threw out a number of 70,000 PSI as a tensile strength number. These strong and durable eye bolts may be made from materials such as stainless steel and zinc-plated steel. However, you must check the dimensions to ensure suitability for such applications. Wall plugs may be used for the secure attachment of these eye bolts to timber or masonry. There is a wide variety of lag eye bolts made from heavy-duty materials such as zinc-plated steel. They are suitable for a broad range of applications, including the attachment of support wires to wooden fence posts to prop up soft fruit and grapevines. These eye bolts feature a particularly lengthy shank. Available in either stainless steel or galvanised steel varieties, these eye bolts ensure optimum levels of corrosion resistance. There is a great variety of stainless steel machine-threaded eye bolts and ring bolts purpose-made for marine and commercial applications. These eye bolts can be used for a range of applications including wire tensioning and the secure attachment of differently weighted loads. The minimal eye size also means that there is a small amount of leverage. The secure attachment of the collar to a machined face enables support for the eye and prevention of screw thread bending. They are ideally suited to axial-loading applications, where there is a need for two or more lifting points. These eye bolts feature a large collar which is positioned between the eye and the screw thread. They are suited to a range of practical applications. Commonly made from stainless steel, these eye bolts have good levels of durability. Long shank eye bolts are available in a range of sizes, with an anti-corrosive coating typically being added. They feature either a metric or imperial eye at the top of the bolt and are well-suited to heavy-duty applications including the movement of panels and gates. There is a variety of eye bolts which are purpose-made for swings, using high-tensile stainless steel. These eye bolts have exceptional levels of grip and can accommodate oversized holes resulting from power drilling weak materials such as brickwork. There is a variety of eye bolts designed for secure attachment to brick and concrete. Other common uses include plant training and fixing of wire trellis. These eye bolts can be combined with plastic wall plugs for masonry mounting. They feature a wood or screw lag thread for the security of wood, masonry, or lag anchors. Eye Bolts for WoodĮye bolts designed for wood attachment are otherwise known as vine eyes, screw eye bolts, eye screws, and turned or burned eye lags. You should also avoid the use of a shackle which has a greater lifting capacity than the eye bolt due to the associated risk of overloading. It will be necessary to replace them on the identification of worn threads or other major issues. The eye bolts should also be selected based on the expected impact of environmental conditions. It is expected that you will angle loading procedures as set out in the manufacturer’s guidelines. You must also ensure appropriate standards of cleanliness and assure protection against corrosion and damage. The eye bolts should be in good working order, with the thread and hole fully compatible. You will also be expected to follow appropriate slinging procedures and apply suitable mode factors. You must have an understanding of the uses and limitations of equipment in preparation for lifting.
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