... stainless steel fields 2. compelete quality management systems Self drilling roofing screw with EPDM washerType: Phillips pan head, phillips flat head, ... phillips oval head, hex head with washer, hex head with flangeDrill type: Fastning the 1-6mm thickness steel ... T15856Test: Drill drive test, ductility testAny type of self drilling screw is available for us, also supply for kinds of ...