3 8 wedge anchor bolts

One of the most common uses of double-ended threads can be found in automotive and aerospace industries, where precision and efficiency are paramount. In these sectors, double-ended screws are employed in engine assemblies, chassis connections, and aircraft structures, enabling quick and secure connections while minimizing weight. The symmetrical threading also ensures equal distribution of torque, which enhances structural integrity and reduces the risk of component failure.

...

Long tek screws, also known as 'decking screws' or 'structural screws,' are engineered to provide superior holding power and resistance against various environmental factors. Their length, which exceeds that of standard screws, enables them to penetrate deeply into materials, creating a robust and secure connection. This makes them ideal for tasks requiring substantial load-bearing capacity, such as in construction, woodworking, and machinery assembly.

...