Discription??????Hexagon socket set screws with flatpoint.Standard??????ANSI B 18.3.1M, ASME B18.3.1M, DIN933-ANSIB18.2.3.1MThreadSize:??M3,M4,M5,M6,M8,M10,M12,M14,M16,M18,M20,M22,M24,M27,M30,M33..,??1/4-16UNC,5/16-18UNC,3/8-16UNC,7/16-14UNC,1/2-13UNC??????9/16-12UNC,5/8-11UNC3/4-10UNC,7/8-9UNC,1???-8UNC??????11/8-7UNC, 11/4-7UNC.1/4-28UNF,5/16-24UNF,3/8-24UNF,7/16-20UNF,1/2-20UNF??????9/16-18UNF,5/8-11UNC3/4-16UNF,7/8-14UNF,1???-12UNF??????11/8-12UNF, 1 1/4-12UNF.Thread length: 6mm???500mm,3/8???mm---8???mmMaterial: ??SUS304,SUS304L, SUS316, SUS316L,SUS200,SUS201..Material: ??Carbon steel,1018A,1022A,35#,45#,35CrMo,42CrMo,40Cr???Grade/class: A2-70,A2-60,A4-80,A4-70.4.8,6.8,8.8,10.9,12.9Surface treatment: Nature, Passivate, Black,Zinc Cr 3, YZP, H.D.G.Bolt series:??Hexagon head screws??????DIN931,DIN933,DIN601,ISO4014,ISO4017,ISO4016DIN7991??????,DIN912-ANSI B 18.3.1M, ASME B18.3.1M, DIN933-ANSIB18.2.3.1MHexagon socket cap screws(DIN912,ISO4762,ISO7380-ANSI/ASME B18.3.4M)??????carriagebolts??????DIN603,DIN604,DIN605????????????Hexagon flangebolt(DIN6921, ANSI B18.2.3.4M)Lifting eyebolts??????DIN580,DIN582,ISO3266????????????Studs metal and Threadrods( DIN975,DIN938,DIN939,DIN940,ISO8674)