The tip of the screw is in the form of a drill bit or a sharp
point, allowing the drilling of materials and features and the
processing and binding of female screws, greatly reducing work
time.
Greater draw and holding strength keeps the screw in place
for a long time than regular nails.
Self drilling screws are the most convenient, cost-saving
and reliable fastener for use in commercial and home construction.,
Regular
Self Drilling Screw (1.2~6.0mm)
Thin
metal sheet screw (less than 1.0 mm),
wood screw