Philips Flat Head Tek Screw a) Material: Carbon/Stailess Steel b) Dia: 2 ... ScrewSelf Drilling Screws, also known as Tek screws, eliminate the need for a pre-drilled hole and allow drilling ... Resistant From basic zinc coating to 3000 hours SST, a variety of coating options available to fit your environment ... .9- 6.3mmLength6.5 -150mm Thread CodeAB Type, A TypeHead CodeHex Head, Pan Head, Flat Head, Wafer ...