double ended hex bolt

The term 2% self-drilling screws generally refers to a specific classification or standard that adheres to a manufacturing specification, often denoting the composition or performance traits of the screws. The 2% might relate to various factors such as the percentage of alloying elements in the material, or guidelines that measure performance under certain conditions. For instance, these screws might contain 2% alloying elements that enhance their strength and corrosion resistance.


...

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.


...