Philips Flat Head Tek Screw a) Material: Carbon/Stailess Steel b) Dia: 2.9-6. ... .5 -150mm Thread CodeAB Type, A TypeHead CodeHex Head, Pan Head, Flat Head, Wafer Head, Truss Head, Pan Frame HeadDrive CodePhillips, Pozi, SlottedFinishPlain, Zinc Plated ...