Detailed Product Description hexagon nut,weld nut, automobile partsStandard:DIN6923/JIS B 1190/IFI D-21Size:M4-M16Certification:ISO9001/2000 1) Material: steel and stainless steel (SUS304, SUS316)2) Surface treatment: ZP, BZP, HDG3) Size: M6-M60, UNC 1/4"-3/4", BSW 1/4"-3/4"4) According to customers' drawings or samples1,Our Company Culture-TOP EQUIPMENTS,TOP QUALITY.-BEST SERVICE-ALL FOR ...