Roof Washer Sealing Screw Holes to Prevent Water Leakage

Roof Washer

The Roof Washer is a specialized washer used for fastening roofing panels (such as corrugated sheets or skylight panels). Its core function is to provide waterproof sealing. It is typically made of weather-resistant rubber or EPDM combined with a metal backing. When the screw is tightened, the washer compresses, tightly filling the gap between the screw and the roofing material, effectively preventing rainwater ingress and ensuring the long-term dryness and integrity of the roof structure.

Standard Tool Installation Simple and Efficient Permanent Locking

Breakaway Bolt

  The installation of a Breakaway Screw is very simple: it only requires a standard driving tool (like a hex wrench or screwdriver) for tightening. Once the torque reaches the designed value, the head automatically breaks off, signaling installation completion and simultaneously activating the anti-theft function. This feature of simultaneous installation and theft-prevention avoids the hassle of specialized tools, ensuring fast, efficient, and secure permanent fastening on the production line.

★ OTHER SIZE, MATERIAL ARE AVAILABLE UPON REQUEST

 

 

Hex Socket Drive Ideal Choice for High-Torque Recessed Installation

Internal Thread Insert

 

This nut is typically designed with a Hex Socket drive recess, allowing a wrench to securely screw the nut into the external threaded hole. The advantage of the hex socket drive is its ability to transmit high torque without the tool requiring external clearance, making it ideal for recessed mounting or compact designs. It ensures the nut is precisely positioned and securely locked into the base, providing a solid foundation for the subsequent internal threaded connection.

 

 

★ OTHER SIZE, MATERIAL ARE AVAILABLE UPON REQUEST