Tata Self Drilling screws are of high quality range & are used for roofing
applications. They come with EPDM washer & are Grey Russpart (Teflon) Coated for better
corrosion protection.
The versatile and practical self-drilling screw has been in use for many years as a
method for connecting materials. Since self-drilling screws do not require a pilot hole,
they can rapidly and efficiently connect a variety of materials, which enhances
productivity and performance.