Metric Internal Retaining Rings | McMaster-Carr

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Retaining Ring Type

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Retaining Ring Style

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Side-Mount External Retaining Rings Included

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399 Products

Fasteners

Internal Retaining Rings

Squeeze these rings to place them in the groove inside a bore or housing.

Heavy Duty Internal Retaining Rings

Thicker and stronger than standard internal retaining rings, these withstand greater thrust loads.

Inverted Internal Retaining Rings

For a smooth bore and better clearance than standard internal retaining rings, the lugs on these rings face outward.

Internal Teeth Retaining Rings

With teeth along the inside, these retaining rings hold chamfered shafts inside the housing of your equipment.

Single-Turn Spiral Internal Retaining Rings

Slide these rings into place by hand with a single twist for applications with high thrust loads.

Heavy Duty Spiral Internal Retaining Rings

Thicker than standard spiral rings, these rings withstand greater forces.

Spiral Internal Retaining Rings

These coiled rings can be wound into place inside a bore or housing without tools.

Push-On Internal Retaining Rings

No groove required—these rings have teeth that firmly grip the bore.

External, Internal, and Side-Mount
Retaining Ring Assortments

External, Internal, and Side-Mount Retaining Ring Assortments

These assortments include pliers to install external and internal rings.

Internal Retaining Ring Assortments

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Pull ring ends together with retaining ring pliers and place into the bore of a shaft or housing.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)