Philips Flat Head Dacromet Screw with Ribs a) Material: SS304, ... 410 b) Dia, #6-#14, Len,1/2"-5" c)OEM Acceptable Self Drilling ScrewSelf Drilling Screws ... , also known as Tek screws, eliminate the need for ... CodeAB Type, A TypeHead CodeHex Head, Pan Head, Flat Head, Wafer Head, Truss Head, Pan Frame HeadDrive CodePhillips, ...