... :Carbon steel ,Alloy steel Standard: DIN/ANSI B18.2.1/IFI/JIS Certificate :ISO9001:2008 ISO/TS16949:2009 ... BOLTS 1.Place of Origin:Shang Hai China(mainland)2.Material :Carbon steel ,Alloy steel 3. Size:All ... as your requirement is ok4.Standard: DIN/ANSI B18.2.1/IFI/JIS5. Certificate :ISO9001:2008 ISO/TS16949:20096 ... : Dia M3-M56; Length:20mm-150MM, 1/4"~2 1/2", Length: 3/4"~42" 10.packing:25kgs/carton, ...