Truss Head Self Drilling Screw

Corrosion resistance, excellent against gas, weathering and other kinds of corrosive factors including salt water.Resistant to acid and alkaline attack.Easy to install, time saving, minimises labor.High hardness points and sharp threads for drilling and tapping.A variety of head colour to suit & blend with roof .Precise dimension.Long service life. Self drilling screws have hardened drill points that will drill and thread in structural steel, mild steel, aluminium and wood. These drill points are manufactured in the same method as the high speed steel drill bits. Self drilling screws are available in a variety of finishes with unique product features to suit a wide range of environmental conditions. For the fastening process in steel, they are used on steel frame construction or fastening other materials on steel.For the fastening process in wood, they are used for applications in wood structures or industrial lightweight constructions, such as roof deck, flooring. For the fastening process in aluminium, they are used for special industrial applications, construction and manufacturing of windows. Choose the proper size of self drilling screws.Put the self drilling screw on an electric or cordless drill driver with the proper drive adapter installed.Drill the self drilling screw until the head is flush with the surface of the material.