Fast Penetration: Self drilling screws feature a sharp drill point and deep threads for rapid penetration into wood, plastic, and metal. Precision-cut threads ensure a secure grip, delivering superior holding power while preventing slippage or material deformation during installation
High Strength Stainless Steel 410: These self tapping screws crafted from high-quality 410 stainless steel, with black zinc plated surface, offer good rust resistance, high tensile strength and hardness, ensuring long-lasting performance
Modified Truss Head Design: The wide, flat truss head distributes pressure evenly across surfaces, eliminating the need for separate washers and preventing damage to workpieces. Sheet metal screws with large low profile head for secure metal connections
Package Content: 4 sizes total 190pcs #8 black self tapping self drilling screws for metal, 70pcs 1/2 inch, 50pcs 3/4 inch, 40pcs 1 inch, 30pcs 1-1/4 inch, 1pcs phillips screwdriver bit
Versatile Applications: The self drilling screws are ideal for thicker metal to metal applications (20-12 gauge) or metal to wood applications. For use in metal roofing, HVAC, ductwork, steel frames, as well as construction and repair of sheds, outbuildings, and other wood or plastic assemblies
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