self drilling screws for wall

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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The designation 5 8% refers to specific standards and specifications that characterize this type of wedge bolt. Wedge bolts, known for their unique tapered design, are essential in providing secure connections under varying loads and conditions. The wedge shape allows for easy insertion and tight fitting, making it an ideal component for applications that require a significant amount of clamping force without the need for continual adjustments.


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