Hex Washer Head Self Drilling Tek Screws For Attaching Sheet Metal To Steel 12 To 24 Size Zinc Plated Steel Self Tapping Fasteners No Fuss Quick Install With Strong Grip Pack Of 250

Self-Drilling Hex Washer Head Screws for Metal-to-Steel
✔️ 12-24 x 1-1/2 in, zinc-coated steel, Tek 5 Point, pack 250

These hex washer head self-drilling screws fasten metal to metal, especially sheet metal to steel, and are built for highly corrosive environments thanks to a strong shield coating and zinc finish. Common uses include outdoor construction, industrial assemblies, and DIY metalworking projects.

✅ 12-24 x 1-1/2 in Hex Washer Head Self Drilling Screw
✅ Tek 5 Point drive for improved grip during installation
✅ Self-tapping tip with curved groove prevents debris buildup
✅ Strong shield coating with exterior zinc finish on steel
✅ 4-layer coating: metallic zinc, hex-chromium passivation, nano sealer, anti-corrosion film
✅ Meets ASTM C1513, F.I.P.-1000.7, SAE J78 standards
✅ Drill capacity 0.125 - 0.500 in; recommended drill speed 1500 RPM
✅ Pack of 250 screws for bulk projects

💡 What is a self drilling hex washer head screw used for in metal-to-metal sheet metal installations?

These handy fasteners are used to quickly join metal parts without pre-drilling. - Drills its own hole and taps threads in one step for metal-to-metal joints - Hex washer head provides flush finish and even load distribution - Coatings resist rust and acid rain in harsh outdoor environments - Available in 12-24 x 1-1/2 in, pack of 250