DIN 471 Y DIN 472



DIN 471 – E (UNI 7435)

Safety ring for shafts. They are used for axial mounting in an external slot. They can carry considerable axial loads between the machine's element that exerts the force and the seat on which the ring is mounted.

DIN 472 – I (UNI 7437)

Internal security ring for holes. It is used for axial mounting in an external slot. They can carry considerable axial loads between the machine's element that exerts the force and the seat on which the ring is mounted.

Manufactured in Steel spring with the following resistances (HRc):

  • 47 ÷ 54 ≤ 58
  • 44 ÷ 51 > 48 ≤ 200mm
  • 40 ÷ 47 > 200 ≤ 300mm
  • Finished in oiled antioxidant and with a phosphate coating