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Moreover, in the HVAC sector, hex head screws with rubber washers are used to fasten ductwork and prevent air leaks. In marine applications, where exposure to saltwater can lead to rapid corrosion, the combination of durable hex head screws and rubber washers ensures reliability and longevity.

M20 foundation bolts are widely used in various construction and engineering applications. Some of the most common are

1. Select the Right Screw Choose the appropriate size and type of Tek screw based on the cladding material and the environmental conditions. Consult manufacturer recommendations for specifics.

- Injection Systems These involve injecting the adhesive into a drilled hole before inserting the anchor bolt. This method ensures proper coverage of the bonding agent.

1. Self-Locking Mechanism One of the standout features of metal expansion nuts is their ability to lock into place without additional locking devices. This self-locking characteristic significantly enhances the safety and durability of applications.