25 Pack One Quarter Inch By Three Quarter Inch Self Drilling Tek Screws With Serrated Hex Washer Head, Zinc Plated Metal To Metal Fasteners For Hinge And Bracket Repair, Roofing And HVAC, Anti Vibration Secure Grip For Permanent Fix

25-Pack 1/4 x 3/4 Tek Screws with Serrated Hex Washer Head
✔️ Self-drilling, zinc-plated Tek screws for metal-to-metal grip, 25-pack

These screws are designed for metal-to-metal fastening in hinges, brackets, roofing, and HVAC installations. The serrated hex washer head helps prevent loosening from vibration, making them ideal for garage door hardware and metal roofing repairs.

✅ Size: 1/4 in diameter x 3/4 in length
✅ Head: Serrated Hex Washer head for anti-loosening grip
✅ Finish: Zinc-plated for corrosion resistance in damp or outdoor settings
✅ Drive: Tek self-dr drilling point for fast penetration into sheet metal
✅ Application: Hinges, brackets, roofing, and HVAC installations
✅ Pack: 25 screws per pack

💡 What is a self-drilling Tek screw used for in metal-to-metal repairs? This handy fastener is built for quick, reliable securing of hardware such as hinges and brackets. - Quick install without pre-drilling - Strong grip under vibration in doors and roofing components - Zinc-plated rust resistance for outdoor or damp environments - Compatible with standard hardware sizes for common metal projects