expansion bolts for structural steel

The design of these screws features a coarse thread that enables quick and efficient penetration into the chipboard. The sharp point at the tip ensures easy starting, minimizing the chances of splitting. Additionally, the bugle head, with its flat top and slightly larger diameter, allows for flush mounting and a clean finish. The screws are usually made from steel, often with a zinc coating for enhanced corrosion resistance, ensuring a long lifespan even in humid environments.

...

When it comes to construction and woodworking projects, having the right tools and fasteners is crucial. One versatile and commonly used fastener in these industries is the 40mm Tek screw. Tek screws are self-drilling screws with a drill bit-shaped point that eliminates the need for pre-drilling a hole before driving the screw in. This feature makes them efficient and time-saving, especially when working with metal, wood, or plastic materials.

...