What is advantages of DIN7504K Hex Washer Head Self Drilling Screw ?

Jiaxing Runyee Metal Technology Co., Ltd is specialized mainly in DIN7504K hex washer head self drilling screw.    

This kind of self drilling screw is often assembled with a bonded EPDM rubber washer.    

The washer can not only increase the contact area, reduce the pressure, protect parts and screws, but most importantly, it can upgrade the waterproof ability of the hex washer head screw.  

DIN7504K Hexagon Washer Head Self Drilling Screw with EPDM bonded washer is widely used on the surface of building materials, so it is also called roofing screw.

1. This kind of self drilling point can enter the interior of harder and thicker metals.

2. Mainly used for fixing color steel tiles (a kind of color steel plate) of steel structures.

3. Used for fixing thin plates of simple buildings.

Any interest in DIN7504K hex washer head self drilling screw please feel free to contact with us,  wish we will cooperate together in the near future.