There are so many types of screws that it is dizzying to choose. Screws and nails are important fastening tools in our daily life, and there are many styles and specifications. Customers who buy for the first time will have many questions. So, how to choose the right one?
First of all, you have to know what you are doing.
What must be clear is the fastening material and application scenario. Different materials determine your fastening needs.
For example, if you want to fix drywall to the substrate, drywall screws are the best choice. If you plan to fix particleboard, you should choose particleboard screws. When dealing with cement substrates, the hardness of concrete screws can meet your fastening requirements.
In short, the application scenario is the first thing to understand.
Second, determine the size and specifications.
There is no need to say much about the length. Just choose according to your needs. It should be noted that the head type, pitch, thread type, and tail type of the screw can be selected. For example, there are five tail types for hexagonal head screws.
Head type: countersunk head, flat head, pan head, oval head, etc.
Drive type: cross slot screw, Pozi screw, Torx screw, square head screw, slotted screw, etc.
Thread type: half thread, full thread, high and low thread.
Tail type: self-drilling, self-tapping, key point, shrink tail drill, 17 type
Finally, choose the desired color and surface treatment
The surface treatment process is a kind of protection for the screw. Different surface treatment methods can resist corrosion and high temperature well.
We have a variety of surface treatments: phosphating, galvanizing, Dacromet, Raspert, etc.
In addition, there are various colors: blue/white/yellow galvanizing, black phosphate, hexagon head screw head color.
