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DIN 127 B
  Standard withdrawn    

BN 20430

Split spring lock washers
with flat end
Spring steel
zinc plated blue
  • ~UNI 1751 B
  • ~ČSN 021741
 
warnings ISO 4042
Quenched and tempered fasteners ≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!
Further notice to residual risks can be found in the introduction section.
warnings We recommend DIN 128 A (curved spring lock washers) for new construction: BN 768 / BN 769 / BN 770
Spring lock washers for UNC, UNF, and Ww thread: BN 767
Other coatings on request.
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