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Hardness and strength of fasteners

Mar 16, 2018

When you buy fasteners, the minimum technical knowledge is usually important for the way they work. This way, you can more easily determine which specs you should get to the fastener. In addition, this information will make it easier for you to order custom-made fasteners if you need them. There are quite a few technical specifications that you often need to understand, but one that most people don't pay enough attention to is the problem of hardness and strength. Most people think these are synonyms, but this is not the case. There are some subtle but significant differences between the two, and if you want to get the best product, you need to understand that.

This is especially when you are going to buy stainless steel hexagon head cap screws or aluminum socket set screws for applications that will involve a lot of weight being placed in the fastener.

Hardness and strength of fasteners In the technical world, hardness refers to the ability of a material to penetrate another. If a fastener resists any force that tends to deform, it is difficult. Strength, on the other hand, is how much force a material can withstand before it begins to deform. You will find that most of the time, hard fasteners are often fragile. This means that when they are exposed to more than their ability to resist change, they will eventually break in a way that cannot be repaired. However, a strong material tends to undergo some degree of plastic change. At this point, unloading the load will cause the fastener to return to its original form.

However, when this scope is exceeded, it will eventually change permanently.

Which one should you buy for your fasteners? Some products have strength, some have hardness. Most of the time, you will find that the more you have, the less you have. If you are interested in purchasing fasteners, you need to find out what you need in between these two qualities.

If you think the ideal fastener is one that can resist minor deformations as much as possible then you need to get a material that has a higher hardness.

The importance of professional input You can imagine that if you don't have a background in physics or other related fields, it can be difficult to figure it out. If you want to make the smallest mistake in your fastener investment, advise a professional so they can find out which quality you should go to. This usually involves determining the conditions for using the fastener first, and then calculating to determine if the ideal fastener should be very hard or strong. If you buy your fasteners from a reputable supplier, they will probably do it for you.

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