Designation:F880M−16StandardSpecificationforStainlessSteelSocketSetScrews(Metric)1ThisstandardisissuedunderthefixeddesignationF880M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.ThisstandardhasbeenapprovedforusebyagenciesoftheU.S.DepartmentofDefense.1.Scope*1.1Thisspecificationcoverstherequirementsforausteniticgradestainlesssteelsocketsetscrews(SSS),sizesM1.6throughM24,havingPropertyClassesA1-50andA1-70.1.2Units—ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.NOTE1—ThisspecificationisthemetriccompanionofSpecificationF880.1.3ThefollowinghazardcaveatpertainsonlytoSection11,theTestMethodSection:Thisstandarddoesnotpurporttoaddressthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2A262PracticesforDetectingSusceptibilitytoIntergranularAttackinAusteniticStainlessSteelsA342/A342MTestMethodsforPermeabilityofWeaklyMagneticMaterialsA380/A380MPracticeforCleaning,Descaling,andPassi-vationofStainlessSteelParts,Equipment,andSystemsA555/A555MSpecificationforGeneralRequirementsforStainlessSteelWireandWireRodsA751TestMethods,Practices,andTerminologyforChemi-calAnalysisofSteelProductsA967/A967MSpecificationforChemicalPassivationTreat-mentsforStainlessSteelPartsD3951PracticeforCommercialPackagingE3GuideforPreparationofMetallographicSpecimensE18TestMethodsforRockwellHardnessofMetallicMa-terialsE92TestMethodsforVickersHardnessandKnoopHard-nessofMetallicMaterialsE384TestMethodforMicroindentationHardnessofMate-rialsF738MSpecificationforStainlessSteelMetricBolts,Screws,andStuds(Withdrawn2014)3F788SpecificationforSurfaceDiscontinuitiesofBolts,Screws,...