Tek Screw Steel T3 5.5x50mm - Self-tapping steel screw engineered for rapid fastening in metal and composite substrates. The T3 point design delivers superior penetration with minimal pre-drilling, while the 5.5mm diameter and 50mm length provide optimal holding power for structural and general assembly applications. Hardened steel construction ensures durability and corrosion resistance in demanding industrial environments. Ideal for HVAC, roofing, and metal fabrication projects requiring reliable, efficient fastening solutions.