self drilling metal screws

A double end stud, as its name implies, is a type of fastener that features two threaded ends with a unthreaded shank in between. This unique configuration allows it to serve as a versatile connector in a range of applications. Historically, the design of the double end stud emerged from the need for robust fastening solutions that could withstand significant stress and load. Its origins can be traced back to the industrial revolution when the demand for durable and reliable construction materials surged as industries expanded.


...

The dimensions 10 16x3 4 denote the size of this specialized screw. In this context, '10' typically refers to the gauge of the screw, which signifies its thickness. The '2016' could represent the length in millimeters, indicating a screw that is 20.16mm long. The '3 4' might denote the drill point size, suggesting a drill bit diameter of 3.04mm. These specifications make the 10 16x3 4 self-drilling screw versatile enough to handle different materials and applications.

...