Bore Retainers | McMaster-Carr

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System of Measurement

Retaining Ring Type

Ring OD

Ring Thickness

Retaining Ring Style

Material

Groove Diameter

Groove Width

Finish

Zinc Yellow-Chromate Plated

Specifications Met

Ring ID

Thrust Load Capacity

10,000 lbf to 19,999 lbf

20,000 lbf to 99,999 lbf

100,000 lbf to 199,999 lbf

200,000 lbf or greater

Minimum Hardness

Magnetic Properties

May Be Mildly Magnetic

Nonmagnetic

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

DFARS Specialty Metals

RoHS

Hardness

Passivation

Side-Mount External Retaining Rings Included

For 3 mm OD (20 Pieces)

For 4 mm OD (20 Pieces)

For 5 mm OD (20 Pieces)

For 6 mm OD (20 Pieces)

For 7 mm OD (20 Pieces)

For 8 mm OD (20 Pieces)

For 10 mm OD (10 Pieces)

For 12 mm OD (10 Pieces)

Number of Pieces

Container Depth

Container Length

Minimum Installation Depth

845 Products

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.

Bowed Internal Retaining Rings

The curved design of these rings works like a spring, taking up play for a tight hold.

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.

Retaining Ring Assortments

External, Internal, and Side-Mount
Retaining Ring Assortments

These assortments include pliers to install external and internal rings.

External and Internal Retaining Ring Assortments

Assortments include pliers to install external and internal rings.

External and Internal Spiral
Retaining Ring Assortments

Wind these retaining rings into a groove—no tools required for installation.

Internal Retaining Ring Assortments

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

Internal Retaining Rings

Internal Retaining Rings

Heavy Duty Internal Retaining Rings

Inverted Internal Retaining Rings

Internal Teeth Retaining Rings

Bowed Internal Retaining Rings

Single-Turn Spiral Internal Retaining Rings

Heavy Duty Spiral Internal Retaining Rings

Spiral Internal Retaining Rings

Push-On Internal Retaining Rings

Retaining Ring Assortments

External, Internal, and Side-MountRetaining Ring Assortments

External and Internal Retaining Ring Assortments

External and Internal SpiralRetaining Ring Assortments

Internal Retaining Ring Assortments

External, Internal, and Side-Mount
Retaining Ring Assortments

External and Internal Spiral
Retaining Ring Assortments