ANSI B18.2.1 HEX BOLTS 1.Place of Origin:Shang Hai China(mainland) 2.Material :Carbon steel ,Alloy steel 3. Size:All frequently-used size, produce as your requirement is ok 4.Standard: DIN/ANSI B18.2.1/IFI/JIS 5. Certificate :ISO9001:2008 ISO/TS16949:2009 6. Surface: Plain, Y.Z.P., Black, Z.P.HDG 7. TransTime: Generally Within 45 DAYS After Receipt of Deposit 8.Transportation: Container Freight & International Multimodal Transport 9.Specification: Dia M3-M56; Length:20mm-150MM, 1/4"~2 1/2", Length: 3/4"~42" 10.packing:25kgs/carton,then 36cartons/pallet,or small boxes packing ,or accing to according to client’s requirement . 11.Professional: We are specialize in hardware products have more than 10 years experience in this field