square chipboard screws

Expanding plastic screw anchors, often referred to as wall anchors, are designed to secure objects by expanding as a screw is driven into them. Typically made from durable plastic, these anchors are inserted into a pre-drilled hole in the wall. When a screw is inserted into the anchor, it pulls the anchor wings outward, gripping the surrounding material tightly. This expansion creates a hold strong enough to support various weights, making them ideal for a wide range of applications.


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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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The versatility of self-tapping screws with neoprene washers makes them suitable for various industries. In the construction sector, they are commonly used for securing roofing materials, metal panels, and insulation systems. Their usage in automotive manufacturing includes applications such as attaching body panels and securing engine components. Additionally, these fasteners are ideal for marine applications, where resistance to water and salt is paramount.


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