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Art.No. 7439

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Details

Application Areas:

For screw connections where the force, the contact pressure, which is generated at the screw head and nut during tightening, is to be distributed

Advantages:

  • Hardheid DIN 140 HV - ISO 200HV/300HV

Advice

Product grade A
Shape A = without chamfer
Replaced by ISO 7089
DIN-ISO differences: hardness class (DIN = 140HV, ISO = 200HV / 300HV) | internal diameter (from Ø M 39)
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