metal self drilling screw

Butterfly screws, also known as wing nuts or butterfly nuts, are a distinctive type of fastener that have gained popularity in various engineering and design applications due to their unique shape and functionality. These screws derive their name from their appearance, which resembles a butterfly in flight when the wings are fully opened. The wings serve as handles, allowing for quick and easy tightening or loosening by hand without the need for additional tools.

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Chipboard, also known as particleboard, is a widely used material due to its affordability and versatility. However, its density and composition require specialized fasteners to ensure secure fixing. The 50 mm size refers to the length of the screw, which is 50 millimeters from the head to the tip. This length is typically ideal for thicker chipboard pieces, allowing for adequate penetration into the material without compromising structural integrity.

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