Bolt

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  DIN 603 Carriage Bolt

  ​DIN 603 - 2017 Cup Head Square Neck Bolts Specification for stainless steel round head square neck bolts (carriage bolts): German standard DIN603
  Material: carbon steel, Q235, 45#...

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  DIN 7991 Flat Head Countersunk Socket

  The difference between countersunk socket head screws and ordinary socket head screws is mainly reflected in the structure of the screw head.

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  High Strength 12.9 Grade Hexagonal Bolt

  The Grade 12.9 Hex Head Bolts specification exceeds the standard 10.9 grade bolts.

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  High Strength Hexagon Bolts

  High-strength bolts exert pre-tension and transmit external force by friction. Ordinary bolted connections rely on the shear resistance of the bolt and the pressure of the hole wall to transmit...

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