This versatile assortment of Phillips Truss Head Self Drilling Screws is ideal for metal roofing and cladding. Available in stainless steel or carbon steel with an integrated washer, these screws offer a choice of corrosion protection and a design that seals against moisture ingress for a weather-tight connection. Features and Benefits
- Material Options (410/304 SS or Carbon Steel) - Choose the optimal balance of corrosion resistance and strength for your specific environmental conditions.
- Integrated Sealing Washer - Features a neoprene or EPDM seal to create a watertight barrier, preventing leaks in roofing applications.
- Self-Drilling Point - Drills, taps, and fastens in one operation through metal roofing panels into structural purlins.
- Phillips Truss Head - Combines a deep drive recess for positive engagement with a low-profile, wide head to resist pull-through. Applications
- Installing corrugated metal roofing and siding panels to steel framing.
- Fastening metal trim, gutters, and downspouts in construction and renovation.
- General sheet metal work in agricultural, industrial, and residential building projects.
Material: 410/304 stainless steel or carbon steel. Application: Metal roofing. Diameter: M4.2, M4.8. Drive Type: Phillips. Finish: Natural. Head Type: Truss head with washer. Product Type: Self-drilling screw. Quantity: 10-20 pieces. Available Thread Diameters: M4.2 (4.2 mm) and M4.8 (4.8 mm). Material Options: 410 Stainless Steel, 304 Stainless Steel, Carbon Steel. Washer Material: Typically EPDM or Neoprene (Sealing Washer). Drilling Capacity (Steel): Up to 14 gauge (1.9 mm / 0.074 in) for M4.2, Up to 12 gauge (2.7 mm / 0.106 in) for M4.8. Coating (Carbon Steel Option): Typically Zinc Plated. Corrosion Resistance (304 SS): Excellent (Marine Grade). Corrosion Resistance (410 SS): Good (Atmospheric). Drive Type: Phillips. Head Style: Truss Head. Head Type: Phillips Truss Head with Separate Washer. Package Quantity Options: 10 or 20 pieces. Point Type: Self-Drilling. Primary Application: Metal Roofing Fastening. Washer Function: Weather Seal and Load Distribution. Q: What specifications and options are available with these screws? A: This product offers screws in quantities of 10 or 20 pieces. Material options include 410 Stainless Steel, 304 Stainless Steel, or Carbon Steel, with sizes M4.2 and M4.8. They feature a Phillips Truss Head with an integrated washer, designed for metal roofing.. Q: How does the material choice impact the screw quality? A: The quality varies by material selection: 304 Stainless offers excellent corrosion resistance, 410 Stainless provides high strength with good rust resistance, and Carbon Steel offers maximum strength with less inherent corrosion resistance. All feature a self-drilling tip for metal.. Q: Are these screws compatible with metal roofing applications? A: Yes, these Phillips Truss Head Self Drilling Screws with washers are specifically designed for metal roofing installations. The integrated washer helps create a watertight seal, and the self-drilling tip allows for direct installation into metal roofing panels and purlins.. Q: Is there a warranty provided with these metal roofing screws? A: Warranty terms depend on the seller and the specific material chosen. It is recommended to check the product documentation or listing for details on any guarantees against manufacturing defects, especially for critical applications like metal roofing.. Q: Do these screws provide good value for metal roofing projects? A: Offering a choice of materials and sizes in smaller packs (10/20pcs) provides excellent value for specific repair jobs or small roofing projects. The inclusion of a sealing washer and self-drilling capability saves time and ensures a proper installation..