Axial securing in bores

DIN 472 retaining rings are axially assembled internal retaining elements designed for use in bores, providing reliable axial positioning and secure retention of components within housings. Their function is to prevent axial displacement by transmitting high axial forces between the loaded machine element and the precisely machined groove in the bore. Manufactured with standardized geometry and high material strength, these retaining rings ensure consistent load distribution, stable seating, and long-term operational reliability. DIN 472 rings are widely applied in mechanical engineering and industrial systems where precise internal fixation and dependable axial support are essential.

APPLICATION

  • Mechanical engineering

  • Automotive engineering

  • Gear systems

  • Electrical engineering

  • Precision Mechanica

  • Apparatus engineering

INSTALLATION

DIN 472 retaining rings are installed axially inside a bore by compressing the ring with internal retaining ring pliers and positioning it into the machined groove. Once released, the ring expands securely into the groove, providing precise internal fixation and stable axial retention of the assembled component.

MaterialCode
Spring Steel EN 101321/4 (DIN 17222)
Stainless SteelAISI 316

Hardness

Spring SteelHV 390 - 580 N/mm²HRC 40 - 54 Kg/mm²
Stainless SteelHV 882 - 1274 N/mm²HRC 90 - 130 Kg/mm²

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