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High-strength joint bolt
Detailed introduction:
  Specification :
Model : Joint bolt  grade 10.9  M24x135
        Joint bolt  grade 10.9  M24x145
        Joint bolt  grade 10.9  M24x160
        Joint bolt  grade 10.9  M22x135
        Joint bolt  grade 10.9  M22x145
        Joint bolt  grade 10.9  M22x150
        Insulated Joint bolt  grade 10.9  M24x150
        Insulated Joint bolt  grade 10.9  M24x165
        Insulated Joint bolt  grade 10.9  M24x170
        Insulated Joint bolt  grade 10.9  M24x180
        Joint bolt  grade 8.8  M24x145
        Joint bolt  grade 8.8  M22x135
        Insulated Joint bolt  grade 8.8  M22x150
        Insulated Joint bolt  grade 8.8  M22x160
        Insulated Joint bolt  grade 8.8  M22x170
Model : 20MnTiB   Q275
Standard / Drawing: TB/T 2347-93
Applicable to 43kg/m, 50kg/m, 60kg/m, 75kg/m rail joint connecting, suitable to the high strength nut.
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