Self Drilling screws drill their own hole and tap their own thread. They are specially developed for various applications. They provide high pullout strength, sher shear strength and maximum thread engagement and positive fastening in both structural steel and timber contractions. with the help[ of self drilling fasteners, drilling tapping and jobs are simplified into one. assembly and on- site labour time is greatly reduced by eliminating the task of alignment or the need to pre-drill holes fasting operations in rofing, cladding and assembly can be complete in less time often halving the time of old conventional methods.
Also available in high -performance corrosion resistant coating.
Also available with EPDM and metal bonded EMPD washers.