Even simple home improvement tasks are complicated by confusing instructions and obscure materials, such as self-locking screws. It is difficult to find the right material for this. If you do not understand what each material does or why you need them, the complexity is doubled. * Self-locking screws * are not much different from regular screws, but they may change some things about your building or renovation project.
This product is produced in various standards such as DIN or ISO or ASTM; In the following, we will introduce some widely used models of this type of screws:
1- Hexagon Washer Head Tapping Screws din6928 or iso7053
2- Tapping screw and washer assemblies din6901 or iso10510
3- Tapping Screws with Collar din968
4- Countersunk head din97
Screws are made of different materials; First of all, I have to say that the screws that are available in hardware stores are generally made of stainless steel, aluminum, brass and steel. A screw made of steel is superior to the rest. Steel screws come in a variety of sizes and are more cost-effective than others; Because it also has a good lifespan.
These devices are produced in the form of cones and have large teeth. For this reason, it can be used to connect a variety of wooden and plastic parts. One of the most important features of this product is its sharp tip. There is no need for a nut when using it. This product is one of the most widely used forms of screws and is widely used in a variety of industrial and home applications.
