U-Turn – 12-24 x 1-1/2 inch Tek 5 Screws Hex Self-Drilling 50 Pack

Tek 5 Point – Gives Screw A Drill Capacity Of .125′ All The Way Up To .500′ When Drilling Steel.curved Groove In Threads – Provides For Excellent Chip Evacuation During Installation. This Screw Is Intended For Attaching Metal To Metal. 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 Icc Es Evaluation Report: Esr-3528 **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 **meets Astm F1941 For Corrosion Resistance **meets Astm A 510 For Carbon Steel Manufacturing