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Aston group

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Outer hexagon bolt

  Performance description

  Grade 8.8, shear and impact resistance, improving stability and safety

  Material: grade 8.8 steel;

  Electro galvanizing: the zinc coating is 6 μ m

  Hot dip galvanizing: the thickness of zinc coating is 55 um

  Stainless steel: 304 / 316 / 316L