5mm hex head bolt

Expansion anchors are designed to expand when the resin cures, providing a strong hold in soft or friable substrates such as concrete or masonry. Plug anchors, on the other hand, rely on friction to hold the blockwork in place and are suitable for harder substrates such as brick or stone. Screw anchors are similar to plug anchors but have a threaded shank that allows them to be tightened to provide a more secure hold Screw anchors are similar to plug anchors but have a threaded shank that allows them to be tightened to provide a more secure hold Screw anchors are similar to plug anchors but have a threaded shank that allows them to be tightened to provide a more secure hold Screw anchors are similar to plug anchors but have a threaded shank that allows them to be tightened to provide a more secure holdresin anchors for blockwork.

...

One of the key advantages of tek screws is their versatility. They can be used in a wide range of metal materials, including steel, aluminum, and even thin-gauge sheet metal. The variety of head styles, such as pan head, flat head, and hex head, cater to different design requirements and aesthetics. Furthermore, they come in various lengths and thread pitches to suit diverse project needs, from lightweight assembly tasks to heavy-duty structural connections.

...