expansion anchor

The versatility of self-tapping screws with neoprene washers makes them suitable for various industries. In the construction sector, they are commonly used for securing roofing materials, metal panels, and insulation systems. Their usage in automotive manufacturing includes applications such as attaching body panels and securing engine components. Additionally, these fasteners are ideal for marine applications, where resistance to water and salt is paramount.


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A hex washer head bolt is essentially a threaded rod with a hexagonal head, providing a larger surface area than a standard hex bolt. The integrated washer portion of the bolt serves two primary functions. Firstly, it distributes the clamping force over a wider area, preventing damage to the material being fastened and reducing the risk of loosening due to uneven pressure. Secondly, it increases the friction between the bolt and the surface, enhancing the holding power and ensuring a secure connection.

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