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Spiral spring pins standard duty

BN 874

ISO 8750

DIN 7343

~UNI 6875


  • High radial elasticity
  • Large bore tolerances permissible
  • No interlinking because of closed sleeve design
  • Ideal for automatic assembling (two-sided cones)

Material
Material Steel
Material execution
Material execution hardened
Surface
Surface black
Hardness
Hardness 420-545 HV

All features


Standard

ISO 8750 DIN 7343 ~UNI 6875

Product features

  • High radial elasticity
  • Large bore tolerances permissible
  • No interlinking because of closed sleeve design
  • Ideal for automatic assembling (two-sided cones)

Features

Material
Material Steel
Material execution
Material execution hardened
Surface
Surface black
Hardness
Hardness 420-545 HV

Functional principle

1. Radial elasticity shown schematically
2. Pin before insertion
3. Pin after insertion
4. Pin removed with coils rebounded
5. Cardan joint for socket wrench
6. Spiral spring pin

Illustration functional principle

Assembly notice

Mounting hole = nominal diameter: ≤ Ø 1,2 Tol. H10 / > Ø 1,2 Tol. H12