... Philips Flat Head Dacromet Screw with Ribs a) Material: SS304,410 b) Dia, #6-#14, Len,1/2"-5" c)OEM Acceptable Self Drilling ... duty steel to steel#6>12MMCustomized for thicker application Specification Self Drilling ScrewMaterialCarbon Steel(1022,1018), SUS(302,304,316,410 ... 6'')Thread CodeAB Type, A TypeHead CodeHex Head, Pan Head, Flat Head, Wafer Head, Truss Head, Pan Frame HeadDrive CodePhillips, ...