Metric E-Clips | McMaster-Carr

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System of Measurement

Groove Diameter

Retaining Ring Style

Retaining Ring Type

Ring Thickness

Groove Width

Material

Ring OD

Ring ID

Finish

Zinc Yellow-Chromate Plated

Side-Mount Retaining Ring Style

Side-Mount External Retaining Rings Included

For 3 mm OD (20 Pieces)

For 3 mm OD (40 Pieces)

For 4 mm OD (20 Pieces)

For 4 mm OD (40 Pieces)

For 5 mm OD (20 Pieces)

For 5 mm OD (40 Pieces)

For 6 mm OD (20 Pieces)

For 6 mm OD (40 Pieces)

For 7 mm OD (20 Pieces)

For 7 mm OD (30 Pieces)

For 8 mm OD (20 Pieces)

For 8 mm OD (30 Pieces)

For 9 mm OD (20 Pieces)

For 10 mm OD (10 Pieces)

For 10 mm OD (20 Pieces)

For 11 mm OD (20 Pieces)

For 12 mm OD (10 Pieces)

For 13 mm OD (10 Pieces)

Specifications Met

Color

Magnetic Properties

May Be Mildly Magnetic

Hardness

REACH

RoHS

Thrust Load Capacity

10,000 lbf to 19,999 lbf

20,000 lbf to 99,999 lbf

100,000 lbf to 199,999 lbf

Minimum Hardness

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Passivation

Export Control Classification Number (ECCN)

EAR99

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How can we improve?

579 Products

Retaining Rings

Side-Mount External Retaining Rings

When you can't access the ends of a shaft, install rings from the side

55 products

Reinforced Side-Mount External Retaining Rings

Rings for increased resistance to vibration, shock, and speed

27 products

External Retaining Rings

Secure components on a shaft with our go-to external retaining rings

191 products

Push-On External Retaining Rings

Push on the shaft without tools for a grip that forms with no groove

48 products

Tight-Clearance Side-Mount External Retaining Rings

Fit into tight spaces where other rings can’t

36 products

Side-Mount, Tapered External, Internal Retaining Rings Assortment

Cover all bases with multiple retaining ring types and styles

1 product

Side-Mount External Retaining Rings Assortment

Stock up on these rings for when access to the end of the shaft is limited

1 product

Clip-On External Retaining Rings

A tab locks them into place for quick assembly, even in imprecise grooves

8 products

High-Load External Retaining Rings

Thick external rings manufactured for high-load applications

38 products

Spiral External Retaining Rings

Install coiled external rings by hand without the need for tools

71 products

Tight-Clearance Inverted External Retaining Rings

The lugs on these rings point inward for better clearance in tight assemblies

19 products

Self-Locking External Retaining Rings

Thicker than standard rings to grip the shaft without a groove

4 products

Speared Ends External Retaining Rings

Grip the speared ends for more leverage and easier installation and removal

19 products

High-Load Spiral External Retaining Rings

Stand up to stronger forces with thick external spiral rings

63 products

External Retaining Rings Assortment

Stock up on our go-to external retaining rings in a range of sizes

5 products

Other Products

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

6 products