flat head phillips small machine screws 1,Products DetailesMaterial1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, ... .Iron: 1213, 12L14,12156.Aluminum: Al6061, Al6063 etc7,.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045 8, Alloy steel: SCM435,10B21Specification& gaugeM0 ...