Evolution TSHW5.5-19-3 19mm Light Section Tec Screw - Box of 250 by Evolution Fasteners

The Evolution TSHW5.5-19-3 is a 19mm self-drilling Tec screw designed for fixing liner panels, cladding, and general components to light-gauge steel. It features a Tek 3 drill point, allowing fast installation into steel thicknesses ranging from 1.2mm to 4.0mm without pre-drilling. The 5/16” hex head provides high torque for secure fastening.

With a full-threaded design, this screw ensures a strong grip, delivering high pull-out resistance in steel sections. It is ideal for roofing, cladding, and construction applications, offering reliable performance in light steel purlins and framework.