Hex drive timber screws are specialized fasteners characterized by their hexagonal head design. This design allows for the use of a hex wrench or socket driver, providing a strong grip and excellent torque application when driving the screw into wood or other materials. Typically made from high-carbon steel or stainless steel, hex drive screws are designed to resist stripping and can handle heavy loads, making them particularly suited for timber and structural applications.

In addition to their pointed tips, self-drilling screws often come with various coatings, such as zinc plating or ceramic finishes, which enhance their resistance to rust and environmental elements. These coatings not only extend the lifespan of the screws but also improve their aesthetic appeal, making them suitable for visible applications.

While not fasteners in the traditional sense, washers are often used in conjunction with bolts, nuts, and screws to improve their performance. Washers distribute the load of the fastener over a larger surface area, helping to prevent damage to the material being fastened and reducing the risk of loosening due to vibration. There are several types of washers, including flat washers, lock washers, and fender washers, each serving specific functions in various applications.