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The term 2% self-drilling screws generally refers to a specific classification or standard that adheres to a manufacturing specification, often denoting the composition or performance traits of the screws. The 2% might relate to various factors such as the percentage of alloying elements in the material, or guidelines that measure performance under certain conditions. For instance, these screws might contain 2% alloying elements that enhance their strength and corrosion resistance.


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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.

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