2 1 2 self drilling screws

The term headed shear stud refers to a type of anchor bolt with a head, usually made from high-strength steel, that is embedded into the concrete during its placement. The stud's head, which is larger than its shank, serves as a mechanical anchor, distributing the load over a wider area and preventing pull-out failure. The term headed shear stud in URL format signifies the importance of this subject in online discussions and resources related to construction and engineering.

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The Metal Butterfly Screw, often referred to as a butterfly nut, is a type of fastener distinguished by its unique shape resembling a butterfly's wings. This design choice is not merely cosmetic; it serves a practical purpose. Its broad, flat surfaces provide an extensive contact area, ensuring a secure and evenly distributed grip when tightened or loosened. The symmetrical structure allows for easy manipulation, even in tight spaces, making it a popular choice in various industries, from automotive to aerospace.

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