The use of this assembly not only improves the efficiency and stability of the connection, , but also makes replacement and maintenance easier and more cost effective due to the standardization of its material and design .
Slotted pan head tapping screw and large plain washer assemblies is a common fastener combination, is widely used in a variety of occasions that need to be fixed and connected.
The assembly usually comprises two parts: the slotted pan head tapping screw and a washer. The slotted pan head tapping screw is a kind of screw that does not need to be drilled in advance, can be directly rotated on the material, and is formed and fixed on the material through its own thread.