Fibreboard screws are products that are heat-treated and suitable for the installation of power tools. They are mainly used for the connection and fastening of wooden boards, wooden boards and steel sheets. To a large extent, it can replace the use of ordinary wood screws (wood screws without heat treatment). At the same time, the wood screws are currently produced by the navigation mark first to produce the reduction rod process, which not only saves materials, but also makes the threads more sharp.
Screws
In the entire fastener industry, this product is a product that is as important as a dry wall screw and has a huge sales volume. It is widely used in furniture manufacturing and other industries, but its use in the DIY market is still limited. At present, domestic consumers purchase this product in building materials supermarkets and are mainly used to install guide rails, hinges (such as 3.5*16, etc.), fish expansion installations (such as 4*40, etc.), and alternative wooden screws to install furniture, cabinets, etc. . For better quality, the Yuanling brand produced by Shanghai Hangtou Standard Parts Factory is better, and the quality packaging price is more economical in all aspects. The claw-cutting fiberboard screw is an improved product of the ordinary fiberboard screw, which is mainly from the thread The optimization of the design, the pursuit of a higher drilling speed, and to solve the problem of cracking easily caused by the use of hard wood, high technical content.
product description
Groove type: PHILLIPS POZI square slot SQURE TORX
Head type: Countersunk head FLAT/COUNTERSUNK) Pan head (PAN)
Single Cone (DOUBLE)
Under the head with ribs: four ribs (4 RIBS) six ribs (6 RIBS) without ribs under the head
Standard: DIN7505