Stainless Steel Retaining Caps | McMaster-Carr

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	Material Material

400 Series Stainless Steel

18-8 Stainless Steel

15-7 PH Stainless Steel

17-7 PH Stainless Steel

DIN 1.4122 Stainless Steel

Stainless Steel

	Insert Material Insert Material

Stainless Steel

	System of Measurement System of Measurement

	For OD For OD

	Retaining Ring Style Retaining Ring Style


Push On	Side Mount

Spiral

	Retaining Ring Type Retaining Ring Type

	External
	Internal

	For Groove Diameter For Groove Diameter

	OD OD

	Ring OD Ring OD

	Ring Thickness Ring Thickness

	Passivation Passivation

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	For ID For ID

	Magnetic Properties Magnetic Properties

May Be Mildly Magnetic

	For Groove Width For Groove Width

	Minimum Hardness Minimum Hardness

	Height Height

	Length Length

	For Pin Diameter For Pin Diameter

	Thrust Load Capacity Thrust Load Capacity

Less than 1,000 lbs.

1,000 to 1,999 lbs.

2,000 to 9,999 lbs.

10,000 to 19,999 lbs.

20,000 lbs. or greater

	Cap OD Cap OD

	Usable Length Reduction Usable Length Reduction

	Ring ID Ring ID

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146 Products

Fasteners

Push-On Retaining Caps

Use these caps to hold components in place and protect shaft ends.

Push-On External Retaining Rings

No groove required—press these rings onto the end of a shaft for a firm grip.

Single-Turn Spiral External Retaining Rings

Slide these rings into place with one twist—no tools required—for applications with high thrust loads.

Side-Mount External Retaining Rings

Also known as E-style rings.

Wide-Grip Side-Mount External Retaining Rings

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Also known as poodle rings, these thick rings have "ears" that form a large retaining surface to withstand stronger forces than other side-mount retaining rings.

Single-Turn Spiral Internal Retaining Rings

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

Push-On Internal Retaining Rings

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

Retaining Caps for Quick-Release Pins

Retaining Caps for Quick-Release Pins

Use these retaining caps to secure the ends of quick-release pins in holes that are oversized or out of round.

Rectangular Push Nuts

Also known as flat-style speed nuts, these have large sides, so they're easy to push over threads by hand.

Side-Mount External Retaining Ring Assortments

Side-Mount External Retaining Ring Assortments

Also known as E-Style and C-style rings, slide these into the groove from the side of the shaft. They provide a wider shoulder than other external retaining rings for a larger retaining surface.

Tag Rings

Tag Rings

Loop these rings onto tags.

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