Why is the 100 degree flat head socket screw broken?

Sometimes, on the Internet, some people can post some in the forum saying that the 100 degree flat head socket screw they bought are broken again. Why is the screw broken?

Part of the reason is that when using a 100 degree flat head socket screw, more than the torque of the screw itself is used, which causes the screw to break when it is used. Part of the reason is that the material of the screw is carbon steel. If it is not heat treated, it will also cause the screw to break. There is also a problem with the material. Some manufacturers will produce the problematic material to reduce their production cost. Therefore, it is easy to break when using the 100 degree flat head socket screw.

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