double ended stud bolt

In addition to their sealing capabilities, neoprene washers also provide vibration and shock absorption. When used in conjunction with self-tapping screws, they help to mitigate the impact of vibrations that can loosen fasteners over time. This is particularly crucial in automotive and machinery applications where constant movement and vibration are present. The resilient nature of neoprene ensures that the screws remain securely fastened, reducing the risk of mechanical failure.


...

The 10 x 1 self-drilling screws find extensive use in various industries. In construction, they are used for attaching metal roofing, siding, or even for joining steel framing In construction, they are used for attaching metal roofing, siding, or even for joining steel framing In construction, they are used for attaching metal roofing, siding, or even for joining steel framing In construction, they are used for attaching metal roofing, siding, or even for joining steel framing10 x 1 self drilling screws. In automotive repairs, they can securely fasten metal components without the need for additional tools. They're also popular in furniture manufacturing, where quick assembly and strong joints are necessary.

...

The self-drilling feature of these screws eliminates the need for a pre-drilled hole, saving both time and effort. They have a sharp point and specialized threads that cut into the material as they are screwed in, reducing the risk of material distortion and increasing overall efficiency. The unique design of the screw's tip, often resembling a drill bit, allows it to pierce through metal effortlessly, making it particularly useful in industrial and construction settings.

...