Mywish 25Pcs #12 x 3/4" Serrated Flange Hex Washer Head Sheet Metal Screws, Zinc Plated Self Tapping Screws, Tek & Thread Cutting Self-Drilling Screws for Metal, Steel, Iron, Aluminum

Mywish 25Pcs #12 x 3/4" Serrated Flange Hex Washer Head Sheet Metal Screws, Zinc Plated Self Tapping Screws, Tek & Thread Cutting Self-Drilling Screws for Metal, Steel, Iron, Aluminum

• PRODUCT NAME - 25Pcs #12 Serrated hex washer head self tapping screws. Thread Diameter: 0.21"(5.42mm); Screw Length: 0.75"(19mm); Thread Pitch: 0.043" (1.1mm); Head Diameter: 0.31" (8mm), Head Height: 0.23"(5.8mm). These sheet metal screws ommonly used in steel, aluminum.
• MATERIAL - Zinc-Plated Steel. These hex washer head screws are precision-engineered for exceptional durability, featuring widened threads and deep grooves that provide a secure hold in garage door hinges, brackets, and sheet metal applications. The zinc-plated finish offers reliable corrosion resistance, while the hexagonal self-tapping design delivers maximum torque strength—preventing head stripping even under heavy-duty loads.
• Effortless Installation Without Pre-Drilling - Featuring a sharp point and tapered drill tip, these self-piercing screws easily penetrate steel, aluminum, or PVC. The tight threads form instant, secure bonds, reducing installation time by up to 50% compared to standard screws—perfect for quick and reliable fastening in DIY and professional projects.
• SERRATED HEX WASHER HEAD DESIGN - These screws securely grip the surface upon installation, minimizing slippage and ensuring a stable hold. Ideal for high-vibration applications such as garage doors or metal roofing installations, they deliver long-lasting performance. Featuring advanced thread-cutting technology, these self-piercing screws form clean, debris-free threads in steel, aluminum, or PVC—providing a tight, professional fit with every use.
• 【AFTER SALE SERVICE】 MYWISH team aims to provide our customers with a professional service. Dedicated to promptly solving any concerns or queries. Please contact us if you have any issues with the products.