3 8 x 1 1 2 self drilling screw

In conclusion, the L Foundation Bolt is a game-changer in the world of construction. Its innovative design, speed of installation, stability, durability, customizability, and environmental friendliness make it an ideal choice for anyone looking to build a strong, reliable, and sustainable foundation for their project. As this technology continues to gain traction in the market, we can expect to see even more impressive advancements in the field of construction.

...

Another notable feature of TEKS screws is their ease of use. The self-drilling tip not only simplifies the installation process but also minimizes the risk of damage to the material being fastened. Because these screws do not require pilot holes, there is a reduced chance of splitting wood or causing deformations in metal sheets. This ease of operation is particularly beneficial for DIY enthusiasts and those who may not have extensive experience in construction or repairs.


...

Chemical anchor bolts consist of two main components a threaded steel rod and a chemical resin cartridge. The rod is inserted into a pre-drilled hole in the concrete, and the resin cartridge is placed inside the hole before the rod is inserted. Once the rod is fully inserted, the cartridge is activated by mixing its contents (usually a two-part epoxy) which causes the resin to expand and harden, securely gripping the surrounding concrete.

...