Countersunk Head Self Drilling Screw

Countersunk head self drilling screw is a kind of unique structure, versatile screw, and has advantages of beautiful, fixing and simple. In actual use, it is necessary to pay attention to quality and hardness of material, and to choose different sizes and lengths of drill screws, and the screws should be tightened according to actual needs.

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Countersunk head self drilling screws have the following advantages:

1.It is easier to control depth -- Because its tail is relatively thin, it is very convenient to control drilling depth to avoid loss beyond expected depth.

2.Higher accuracy -- Countersunk head and tail drilling head is larger, allowing it to provide higher drilling accuracy and controllability in fine work.

3.More flexible -- sunk drill tail is suitable for a variety of different materials, including wood, metal, plastic, ceramics, etc., and is suitable for different tightening equipment and tools, giving it a wider range of application and greater flexibility.