30Pcs M4.2x19mm White Flat Head Self Tapping Screws for Metal, Silver
1. What is this?These 410 stainless steel self drilling screws are precision-engineered, offering both corrosion resistance and a polished finish. Designed for applications, they feature a flat countersunk 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?Flat Head Cap Self Screws Total size: 19x7.9mm/0.75x0.31 Inch(LxD);
Screws: 16x4.2mm;
Specification: M4.2x19mm;
Color: White, Silver;
Material: 410 stainless steel;
Package Included: 30Pcs x self-tapping screws.
3. Are there any advantages of the product?1. Ultimate Durability: 410 stainless steel core + baked polyester coating 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 phillips driver or drill.
3. Secure Fit: Flat head sits flush with surfaces;
4. 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 tool 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.