expansion screw plastic

In conclusion, weld shear connector studs are a critical component in the construction industry, providing a strong and reliable connection between concrete slabs and steel beams or girders. Proper design, installation, and maintenance of these studs are essential to ensure the stability and integrity of a structure. By selecting high-quality studs and conducting regular inspections, construction professionals can help to prevent failures and ensure the long-term performance of their structures.

...

A wafer head screw, as the name suggests, has a flat, thin, and circular head, resembling a wafer. The head is usually larger than the screw's body, providing a broad bearing surface that distributes the load evenly and reduces the chances of damage to the material being fastened. The self-tapping attribute refers to the screw's ability to cut its way through the material it is inserted into, forming threads as it goes, hence the term self-tapping.

...

The rubber washer plays a crucial role in this assembly. Made from durable and resilient materials, such as neoprene or silicone, it offers excellent compression and sealing properties. When tightened, the rubber washer compresses between the screw head and the surface it's fixed to, creating a waterproof and airtight seal. This is particularly beneficial in situations where leakage or environmental elements need to be kept at bay, such as in roofing, plumbing, or automotive applications.

...