Tek Screw STL Full T3 5.5x50mm - Self-tapping steel screw engineered for rapid fastening in light-gauge metal and composite applications. Features a full-length thread design that maximizes holding power and reduces installation time on job sites. The T3 point geometry delivers superior penetration with minimal pre-drilling requirements, while the 5.5mm diameter and 50mm length provide optimal load distribution. Ideal for HVAC ducting, metal roofing, and general sheet metal assembly where reliability