0086-573-82071082 sales@qbfastener.cn English
Tel：0086-573-82071082 Fax：0086-573-82071081 E-mail：sales@qbfastener.cn Address：NO. 709, Tongle Building, Tongle Road, Nanhu District, Jiaxing, Zhejiang, China.
  • ANSI/ASTM 307A
  • ASME B18.2.3.4M Hex Flange Bolt
  • DIN 6921 Hex Flange Bolts B.Z.P.
  • DIN 601 M5-M52
  • DIN 960
  • DIN931 M5-M56
  • U-Round Bolts Bule-Zinc Plated
  • U-Round Bolts Hot Dip Galvanizing
  • U-Round Bolts Y.Z.P. M6-M36
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