U-Turn Fasteners Inc U-Turn – 12-24 x 1-1/4 Coated Tek 5 Screws Hex Self-Drilling 250 Pack

Intended for attaching metal to metal in highly corrosive environments this screw is coated with a 4 layer metal surface coating consisting of a metallic zinc layer a hex-chromium passivation a layer of functional nano coating used as a sealer and a high-grade anti-corrosion chemical conversion film. Tek Screws are a type of self-tapping screw that are designed to drill a hole and tap their own threads simultaneously saving the installer the time of pre-drilling the holes where needed. Drill Capacity .125- .500″ Recommended Drill Speed 1500 **Meets ASTM C 1513 for cold-formed steel framing connections. **Meets F.I.P.-1000.7 for torsional strength drill speed **Meets SAE J78 for performance dimensional specifications **Rust/Acid Rain Protection **Exceeds 1000/hr salt spray resistance