double end rods

In construction, hex head self-drilling screws are commonly used in roofing, siding, and framing projects. They offer a strong, secure connection while reducing the risk of material damage that can occur with conventional drilling methods They offer a strong, secure connection while reducing the risk of material damage that can occur with conventional drilling methods They offer a strong, secure connection while reducing the risk of material damage that can occur with conventional drilling methods They offer a strong, secure connection while reducing the risk of material damage that can occur with conventional drilling methodshex head self drilling. In manufacturing, they find usage in automotive, aerospace, and electrical industries, where speed, strength, and accuracy are crucial.

...

3. Strength The spiral thread design and high-quality materials used in these screws provide excellent holding power and stability. This makes them suitable for use in structural applications where strength and durability are critical This makes them suitable for use in structural applications where strength and durability are critical This makes them suitable for use in structural applications where strength and durability are critical This makes them suitable for use in structural applications where strength and durability are criticalblack hex head self tapping screws.

...