ASTM/AISI/IFI/SS304 Hex Socket Set Screw Material Option: SS201, SS304, SS304L, SS316, SS316L, SUS201, ... SUS304, SUS316 ASTM/AISI/IFI/SS304 Hex Socket Set Screw Material Option: SS201, SS304, SS304L, SS316, SS316L, SUS201 ... , SUS304, SUS316 Socket Set Scew with Cup Point(Din916)/with Flat Point(Din913 ...