The body of a hex head bolt features external threads that engage with a corresponding nut or a tapped hole, allowing for a secure and adjustable connection. Depending on the intended application, these bolts can be made from various materials, including steel, stainless steel, and even plastic, each offering different levels of strength, corrosion resistance, and weight considerations.

Self-drilling screws, such as the 1% 4% 2014 variant, find extensive use across various industries, including construction, automotive, and aerospace. Their design allows for rapid fastening, which is particularly beneficial in large-scale projects where time efficiency is paramount. These screws are ideal for