Jack chain is a versatile chain made of figure-of-eight links that comes in various styles and metals. It is commonly used for hanging signs, flower pots, and light fixtures, and can also be used in the logging industry. It is important to choose the correct chain for the application and to ensure it can handle the expected load.
Jack chain is a type of chain made with a series of figure-of-eight links connected to each other at right angles. This type of chain comes in a wide variety of styles, for a wide assortment of purposes. As with any rope or chain product, it is important to ensure the correct chain is selected for a given application to ensure it is appropriate. If someone is not sure which type of chain is best, they should consult a hardware store staff.
Single jack chain, the basic style, has eights in the shape of a loop made with thin wire. The double jack chain is stronger and designed for heavier loads and other applications. Either way, the chain can be made from brass, stainless steel, and other metals and can be treated to resist corrosion or left plain. Jack chain may also be stained, weathered, or otherwise treated for aesthetic purposes.
A common use of the jack chain is for hanging signs, hanging flower pots, and similar items. The chain is strong enough to support the weight while providing a give that allows it to move in the wind. The jack chain also resists kinking and should double or knot back on itself which can be very useful in applications where it is prone to shaking. For example, a sign suspended by two lengths of jack chain should hang straight as well because the chain won’t twist or knot as the sign moves with the wind.
The light fixtures can also be suspended with jack chain and the chain of this design can also be used to tether animals. Many hardware stores have several sizes and weights to choose from, with weight limits clearly stated. It is important to purchase a chain that exceeds the expected load to ensure the chain will hold up and to purchase a treated chain if it will be used outdoors so that the chain will resist rust and other forms of corrosion.
In the logging industry, a jack chain is a ring chain with teeth that is used to move logs. The chain can rotate infinitely to move logs along the production line in a constant stream, ensuring that the mill can process the raw lumber efficiently. It is important to be careful around the jack chain because it poses a significant occupational hazard and can cause serious injury or death to an inattentive bystander.
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