Tek Screw Truss CRSE 4.2x22mm ZP - Self-drilling tek screw engineered for rapid fastening in composite materials and lightweight steel applications. Features a truss head design that distributes load effectively across wider surface areas, minimizing material deformation. The 4.2mm diameter and 22mm length provide optimal penetration for standard gauge applications. Zinc-plated finish delivers corrosion resistance suitable for indoor and protected outdoor environments. Ideal for HVAC ducting, roofing panels, and metal cladding installations where speed and reliability are essential.