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Ningbo Zhonghai Fastener Manufacturing Co. Ltd. 二维码
GB
  • Hexagon head bolts GB /T 5782-2000
  • Hexagon head bolts-Full thread GB /T 5783-2000
  • Hexagon nuts-product grade C GB /T41-2000
  • Hexagon thick nuts GB 56-88
  • Prevailing torque type hexagon nuts(with non-metallic insert),style 1 GB /T 889.1-2000
  • Prevailing torque type hexagon nuts(with non-metallic insert),style 1,with fine pitch thread GB /T 889.2-2000
  • Hexagon nuts,style 1 GB /T 6170-2000
  • Hexagon nuts,style 1,with fine pitch thread GB /T 6171-2000
  • Hexagon thin nuts(chamfered) GB /T 6172.1-2000
  • Prevailing torque type hexagon thin nuts(with non-metallic insert) GB /T 6072.2-2000
  • Hexagon thin nuts(chamfered) with fine pitch thread GB /T 6173-2000
  • Hexagon thin nuts(unchamfered) GB /T 6174-2000
  • Hexagon nuts,style 2 GB /T 6175-2000
  • Hexagon nuts,style 2,with fine pitch thread GB /T 6176-2000
  • Hexagon nuts with flange GB /T 6177.1-2000
  • Hexagon slotted and castle nuts,style 1 -product grades A and B GB 6178-86
  • High strength bolts with large hexagon head for steel structures GB /T 1228-91
  • High strength large hexagon nuts for steel structures GB /T 1229-91
  • Hexagon thick nuts GB 56-88