4mm hex head bolt

116mm tek screws. Strength and Durability The high-quality steel used to manufacture 16mm Tek screws provides them with exceptional strength and durability, making them well-suited for a wide range of applications.

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A CSK head self-drilling screw features a unique head design that tapers down to meet the surface of the material being fastened. This countersunk design allows the screw to sit flush with or below the surface, providing a clean finish. The self-drilling capability stems from a drill-like point, which allows the screw to create its hole as it is driven into the material. These screws are typically made from high-strength steel or stainless steel, making them suitable for various applications.


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