120Pcs ST4.2 X 19Mm Pan Head Self Tapping Screws For Metal, White, Silver

1. What is this?These Galvanized carbon steel self drilling screws are precision-engineered, offering both corrosion resistance and a polished finish. Designed for applications, they feature a pan phillips head for maximum torque control and a self-tapping drill tip that cuts through metal, wood, and plastic without pre-drilling.2. What will I get?Pan Head Cap Self ScrewsTotal size: 22x10mm/0.87x0.39 Inch(LxD);Screws: 19x4.2mm;Specification: ST4.2 x 19mm;Color: Black;Material: Galvanized carbon steel;Package Included: 120Pcs x self-tapping screws.3. Are there any advantages of the product?1. Ultimate Durability: Galvanized carbon steel resists rust and harsh weather (perfect for outdoor projects).2. Time-Saving Design: Self-drilling tip eliminate the need for holes—attach materials in seconds with a standard hex driver or drill.3. Multi-Purpose Use: Works seamlessly on metal sheets, wooden frames, and composite materials.4. How to use it?1. Position the screw perpendicular to the workpiece.2. Drive with a phillips at medium speed until the head is flush. Avoid over-tightening to prevent stripping.What should I notice?1. Not recommended for concrete or hardened steel surfaces.2. Store in a cool, dry place to maintain coating quality.3. Wear work gloves to prevent fingerprints on the finish during handling.