30pcs Self-Drilling Roofing Screws M6.3 x 100mm, Stainless Steel 401 Hex Head Screws with Washer, Metal Roof Screws with Sealing Washer, Self-Tapping Sheet Metal Screws + 10mm Socket

• Durable Stainless Steel ：Made from high-quality Stainless Steel 401, these M6.3 x 100mm roofing screws offer excellent hardness, high torque, superior stability and long-lasting rust resistance—ideal for outdoor and structural applications.
• Self-Drilling & Self-Tapping Design：The sharp self-drilling tip removes the need for pre-drilling. Provides strong penetration into metal or wood and ensures secure fastening with maximum clamping force.
• Hex Head with Sealing Washer：Each screw includes a bonded sealing washer for added strength and waterproofing. The hex head provides a firm grip for easier installation, while the self-tapping thread delivers a tight, reliable connection.
• Wide Range of Applications：Perfect for joining metal to metal, metal to wood, aluminium sheets, steel panels, roofing panels, cladding, corrugated sheets, perforated plates, outdoor structures and general construction tasks.
• Package Contents：Includes 30 x M6.3 x 100mm self-drilling roofing screws and 1 x 10mm socket driver. Suitable for home repairs, machinery maintenance, DIY projects, renovation work and furniture installation.

What are the advantages of our stainless steel self-tapping screws? 1. Made of high quality stainless steel with high hardness and high torque. They are resistant to breakage and deformation and therefore durable. 2. All stainless steel products are delivered in clearly labeled storage boxes. 3. The self-drilling design of the screws guarantees strong penetration, high stability and maximum tightening force. 4. Suitable for joining metal and wood, metal components or plastic, aluminum panels, aluminum exterior doors, perforated sheets, roof sandwich panels, corrugated sheets, steel panels, roof panels, etc. 5. Applicable to home appliances, office equipment, electronic products, home appliance repairs, machinery, decoration, furniture assembly, etc. Features: Material: 401 stainless steel Color: As shown Size: M6, 3 x19mm This set includes: 100 pieces - self-tapping screws metal drilling screws 1 x 8mm Socket Wrench Notes: The color may vary slightly from the online image due to your monitor settings. Please refer to the actual product. Thank you for your understanding.