35mm self drilling screws

In conclusion, self-threading screws have proven to be a game-changer in the realm of aluminum fastening. Their ability to form threads within the material, their resistance to damage, and their cost-saving benefits make them an indispensable tool in industries that rely heavily on aluminum components. As technology continues to advance, it is expected that self-threading screws will only become more refined and integral to aluminum assembly processes, ensuring stronger, more efficient, and more reliable connections.

...

The terms 3% and 4% often relate to the percentage of the anchor bolt’s yield strength in relation to the concrete’s compressive strength. For example, a 3% concrete anchor bolt means that the bolt can withstand loads up to 3% of the concrete's yield strength, while a 4% bolt can handle loads up to 4%. This distinction is vital for engineers and contractors, as it influences load calculations, safety factors, and the overall design of the structure.


...