Hex head self drilling screw blue white zinc plated with EPDM and steel bonded washer

Description

Hex head self drilling screw blue white zinc plated with EPDM and steel bonded washer also name roofing screw or tekscrews, it is manufactured for fastening metal roofs to metal buildings. The head and bonded washer of thie hex head self drilling screw can resistant water leaks well during its working. The sizes and thread distance of the hex head screw both can customize. It’s our main product of our screw factory. Excellent quality for general exterior construction.

These screws are known for their self-drilling point that will drill and thread without the need for pre-drilling. These screws are designed for drilling their own hole into softer materials such as wood and plastic so they don’t need a pilot hole.
Hex head self-drilling screws are used for sheet metal to sheet metal fastening. The screws are undergoing heat treatment processes to increase their strength and holding abilities exponentially.

Benefits:

• Hex head self drilling screw blue white zinc plated with EPDM and steel bonded washer is very popular. The zinc plated surface of the hex head screw and washer provide a better UV protection effect, and both rust prevention and corrosion resistance are better at the same time.
• The hex washer head screw with EPDM washer (roofing screw), in which the EPDM washer offers sealing functions,to resistant water leaks during its working. Hex head self drilling screw is for metal to metal applications, mostly for roofing to metal frames fastening.
• Various color painting for outdoor decoration applications.
• The main advantage of the self-drilling screw is that it won’t get stuck in the material and break off. Albeit it is required to use a washer with the screws to ensure that the structure doesn’t loosen up over time.