expansion bolts for hollow structural steel sections

When using 410 stainless self-drilling screws, it is important to follow proper installation procedures to ensure a secure and reliable connection. It is recommended to use a power drill with the appropriate torque setting to drive the screws into the material effectively. Additionally, it is important to make sure the screws are the correct size and length for the thickness of the material being fastened to prevent over-tightening or under-tightening.

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The designation 1% 4% 2014 typically reflects specific characteristics associated with the screw's design and material composition, indicating its strength and suitability for particular applications. In many cases, the numbers denote the alloying elements in the screw's material, particularly in the context of steel to enhance corrosion resistance and overall durability. For instance, 1% might refer to the percentage of a certain alloy, while 4% could represent a different additive, both contributing to the screw's ability to withstand environmental stresses.


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