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What is a self-tapping screw? What is the difference between self-tapping screws and ordinary screws?

What is a self-tapping screw? What is the difference between self-tapping screws and ordinary screws?

What is a self-tapping screw? Self-tapping screws come with pointed teeth, do not need to punch holes in advance on the material, just use power tools can screw it into the material, play a fixed locking role. It is mainly used for connecting sheet and wall beam. It is often exposed to the outdoors, so it has strong corrosion resistance. The self-tapping screws should be placed in a dry place to avoid being affected by moisture, and when handling, they should be handled gently, and the shaking is too large, which will affect the friction of the fixed parts and cause unnecessary damage. Therefore, we try to choose professional screw manufacturers when purchasing self-tapping screws to avoid quality hazards.

What is the difference between self-tapping screws and ordinary screws?

First, the nature is different. Self-tapping screws, head with a drill, can be operated by special electric tools, drilling, fixing and other functions, the operation is relatively simple, and ordinary screws only need to use the head is flat, the screw shape is not shaped, manually screwed in with an ordinary screwdriver.

Second, different characteristics. The self-tapping screw can be installed on the item, because it comes with a thread, it will form the same thread on the installation to achieve a better fit connection, so that the component is more tight and not easy to loose. Ordinary screws, flat head design, thickness is similar, when used, you need to drill first, in order to achieve a good fixing effect.

Three, use different. Self-tapping screws are mainly used in non-metal materials, or soft metal, without advance drilling and tapping, you can screw in, and ordinary screws to advance drilling and tapping, mainly used in metal or hard materials.