double ended hex flange studs

In addition to their practicality, 38mm self-drilling screws are also known for their durability and strength
38mm
38mm self drilling screws. Made from high-quality materials such as stainless steel or carbon steel, these screws are resistant to corrosion and rust, making them suitable for both indoor and outdoor use. Whether you are working on a deck, fence, or furniture project, you can rely on these screws to hold up in various environmental conditions.

...

Nuts, on the other hand, serve as the complementary part to bolts. When tightened onto a bolt, they provide the necessary clamping force to hold components together, ensuring stability and resistance against dynamic forces such as wind, earthquakes, or the weight of the structure itself. The choice of nut, whether it's a hex nut, wing nut, or castle nut, is determined by factors like accessibility, safety considerations, and the need for locking mechanisms.

...