Five Sixteenth Inch By One And A Half Inch Self Drilling Screws Heavy Duty With Hex Washer Head Unslotted 18-8 Stainless Steel Pack Of Six Hundred For Metal Roofing Siding Wood To Metal Fastening

5/16 x 1-1/2 in Self-Drilling Screws, 18-8 Stainless
✔️ Hex washer head, unslotted, 18-8 stainless, 5/16 x 1-1/2, pack of 600

These heavy-duty self-drilling screws are designed for fast, secure metal-to-metal and metal-to-wood fastening. Ideal for metal roofing, siding, and structural frames, they drill themselves without a pilot hole and form a strong seal with a hex washer head.

✅ Size: 5/16 in diameter x 1-1/2 in length
✅ Drive: hex washer head, unslotted
✅ Material: 18-8 stainless steel (A2), RoHS compliant
✅ Finish: plain, corrosion resistant
✅ Pack: 600 screws

💡 What is a handy use case for these stainless steel self-drilling screws in metal roofing projects?

These handy fasteners are ideal for quick, secure assemblies in outdoor metal roofing and siding.

• Ideal for metal roofing and siding projects in coastal or humid environments
• 18-8 stainless steel provides corrosion resistance and long service life
• Hex washer head helps seal and resists loosening under vibrations