The addition of washers to hex head self-tapping screws is another feature that enhances their performance. Washers are flat discs, usually made of metal or plastic, placed under the head of the screw. They serve several important purposes

Brackets and connectors are specialized chipboard fixings that are designed to join chipboard sheets at right angles or to secure them to other materials such as concrete or steel. Brackets are typically made from metal and come in various sizes and shapes to accommodate different chipboard thicknesses and load requirements. Connectors, on the other hand, are mechanical fasteners that provide a strong and secure connection between chipboard sheets without the need for adhesives.

A 4PCS fix anchor is a type of anchoring system designed to provide strong, secure holds for various construction materials, particularly in masonry and concrete settings. The term 4PCS refers to the design consisting of four components, which typically include an anchor bolt, a washer, a nut, and a sleeve or expansion component. This multi-part construction allows the anchor to offer enhanced grip and stability, distributing weight and resisting pull-out forces more effectively than simpler designs.