Product categories of Self Drilling Screws, we are specialized manufacturers from China, Self Drilling Screws, Self Tapping Screws suppliers/factory, wholesale high-quality products of Metal Self Drilling Screws R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
China Self Drilling Screws Suppliers
Screw is the use of objects of the circular circular rotation and friction of the physical and mathematical principles, step by step to fasten the tools of the tools. Drilling screw is the front of the screw with self-tapping the head of the wood screws. Screw is thousands of years of people in the production of common inventions, according to the application field, it is the first major inventions of mankind. Drilling screws are in recent years people's new invention, also known as self-tapping screws.Uses: It is a kind of wood screws, mainly used in the steel structure of the color steel tile fixed can also be used for simple construction of thin plate fixed. It can not be used for metal and metal bonding