The main role of the screw is to fix and link, in our lives these hardware accessories are very common, the type of fastener has a lot of dead, the use is also different, flat head screw and countersunk screw do not know you have understood it, flat head screw and countersunk screw difference is what? As the name suggests, flat head screws have a flat head with the entire head on the outside. In addition, it has a distinctly prominent feel when touched by hand. By using flat head screws, flat gaskets can be used together with spring gaskets according to the actual use. Because the head of the flat head screw and the connecting part of the bolt are at right angles, it is more convenient for our daily use habits

Countersunk screws have such a name because there is a great difference in shape. Countersunk screws are extended from the screw head to the screw in a conical manner, and the head of the countersunk screws is flat with the product surface, and there is no difference between the touch. The screws of many product shells will be reinforced with countersunk screws, because it looks better and more beautiful, and feels better. The force of flat head screws is greater than that of countersunk screws, especially when the countersunk screws are screwed into the object.

Now because the products produced by all walks of life are different, the function of the screws required is not the same, which leads to different specifications of products. The common specifications of flat head screws can be judged from the diameter and length.
1. the name is different!

2. the shape is different! Flat head screw and workpiece contact plane, and countersunk head screw cone!

3.the force of flat head screws can be larger than countersunk head screws!

4. flat head screw can add flat gasket spring washer and countersunk screw can only add gasket with taper!

5.flat head screws can be exposed outside can also be in the countersunk hole and countersunk screws are generally only in the countersunk hole!