self tapping hex

In conclusion, the M16 foundation bolt is more than just a mechanical component; it embodies the innovation and engineering prowess that defines the M16 rifle. From its critical functions in firing and cycling to its evolution in design, the foundation bolt plays a vital role in ensuring that the M16 remains a dependable choice for military and law enforcement personnel. As technology continues to evolve, the foundation bolt will likely see further advancements, but its fundamental importance in the operation of one of the most iconic rifles in history will remain unchanged.


...

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.

...