Locking Rings | McMaster-Carr

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System of Measurement

OD

5/16" to 11/32"

Material

Beryllium Copper

Stainless Steel

Tungsten Carbide

Retaining Ring Type

Shaft Diameter

5/8" to 1 9/16"

Retaining Ring Style

Constant Section

ID

13/16" to 15/16"

Groove Diameter

Ring Thickness

Construction

Ring OD

Groove Width

Ring ID

Finish

Corrosion-Resistant Coated

Phosphate Coated

Zinc Yellow-Chromate Plated

Shaft Type

Acme Lead Screw

Round with Support Rail

Width

Shaft Mount Type

Thread Size

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

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

Export Control Classification Number (ECCN)

Performance

Adjustable Width

Chemical Resistant

Corrosion Resistant

Finish-Your-Own

Moisture Resistant

Quick Disconnect

Specifications Met

ANSI/ASSP Z359.12

ANSI/MSS SP-58 Type 12

Color

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6,304 Products

Retaining Rings

External Retaining Rings

External Retaining Rings

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

High-Load Spiral External Retaining Rings

High-Load Spiral External Retaining Rings

Stand up to stronger forces with thick external spiral rings

Internal Retaining Rings

Internal Retaining Rings

Secure components inside a housing or bore with our go-to internal retaining rings

Spiral Internal Retaining Rings

Spiral Internal Retaining Rings

Install coiled internal rings by hand without the need for tools

High-Load Spiral Internal Retaining Rings

High-Load Spiral Internal Retaining Rings

Stand up to stronger forces with thick internal spiral rings

Spiral External Retaining Rings

Spiral External Retaining Rings

Install coiled external rings by hand without the need for tools

Side-Mount External Retaining Rings

Side-Mount External Retaining Rings

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

Push-On External Retaining Rings

Push-On External Retaining Rings

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

High-Load External Retaining Rings

High-Load External Retaining Rings

Thick external rings manufactured for high-load applications

Speared Ends External Retaining Rings

Speared Ends External Retaining Rings

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

Self-Locking External Retaining Rings

Self-Locking External Retaining Rings

Thicker than standard rings to grip the shaft without a groove

High-Load Internal Retaining Rings

High-Load Internal Retaining Rings

Thick internal rings manufactured for high-load applications

Tight-Clearance Inverted External Retaining Rings

Tight-Clearance Inverted External Retaining Rings

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

Reinforced Side-Mount External Retaining Rings

Reinforced Side-Mount External Retaining Rings

Rings for increased resistance to vibration, shock, and speed

Tight-Clearance Side-Mount External Retaining Rings

Tight-Clearance Side-Mount External Retaining Rings

Fit into tight spaces where other rings can’t

Mil. Spec. External Retaining Rings

Mil. Spec. External Retaining Rings

Manufactured and tested to strict U.S. military standards

Tapered and Side-Mount External Retaining Rings Assortment

Tapered and Side-Mount External Retaining Rings Assortment

Grab an assortment of tapered and side-mount external retaining rings

Side-Mount, Tapered External, Internal Retaining Rings Assortment

Side-Mount, Tapered External, Internal Retaining Rings Assortment

Cover all bases with multiple retaining ring types and styles

Tight-Hold Bowed Side-Mount External Retaining Rings

Tight-Hold Bowed Side-Mount External Retaining Rings

Install from the side and hold on tight for the long haul

Tight-Clearance Inverted Internal Retaining Rings

Tight-Clearance Inverted Internal Retaining Rings

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

Push-On Internal Retaining Rings

Push-On Internal Retaining Rings

Push in a housing or bore without tools for a grip that forms with no groove

Constant-Section External Retaining Rings

Constant-Section External Retaining Rings

A low profile without taper for uniform stress distribution

Side-Mount External Retaining Rings Assortment

Side-Mount External Retaining Rings Assortment

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

High-Load Side-Mount External Retaining Rings

High-Load Side-Mount External Retaining Rings

The "poodle" profile takes on more force than standard side-mount rings

Tight-Hold Internal-Tooth Internal Retaining Rings

Tight-Hold Internal-Tooth Internal Retaining Rings

More contact points keep your ring from tilting, bending, and falling off

Clip-On External Retaining Rings

Clip-On External Retaining Rings

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

Tight-Hold Bowed External Retaining Rings

Tight-Hold Bowed External Retaining Rings

External rings that hold on tight for longer than standard

Tight-Hold Bowed Internal Retaining Rings

Tight-Hold Bowed Internal Retaining Rings

Internal rings that hold on tight for longer than the standard

Crimp-On External Retaining Rings

Crimp-On External Retaining Rings

Squeeze tight and crimp these rings into the groove with your everyday pliers

External Retaining Rings Assortment

External Retaining Rings Assortment

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

Internal Retaining Rings Assortment

Internal Retaining Rings Assortment

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

Spiral External and Internal Retaining Rings Assortment

Spiral External and Internal Retaining Rings Assortment

Wind spiral retaining rings of many sizes into grooves

Push-On External Retaining Rings Assortment

Push-On External Retaining Rings Assortment

A range of external retaining rings that don't require a groove for installation

External and Internal Retaining Rings Assortment

External and Internal Retaining Rings Assortment

External and internal tapered rings in a range of sizes

Push-On Internal Retaining Rings Assortment

Push-On Internal Retaining Rings Assortment

A range of internal retaining rings that don't require a groove for installation

Other Products

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Conduit Locknuts

Conduit Locknuts

Secure threaded conduit fittings to knockouts in outlet boxes or enclosures

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

Quick Links

Join rope, cable, and chain to secure loads

Drum Locking Rings

Drum Locking Rings

Clamp lids onto drums for a tight seal

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Carabiners

Hook onto rope and webbing to quickly connect objects, fittings, and other lengths of rope

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Threaded Rod Collars

Threaded Rod Collars

Hold and position parts on a threaded rod

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Lead Screw Collars

Lead Screw Collars

Position components and limit travel along a lead screw

Pipe Hangers

Suspend pipe, conduit, and tube from rods, hooks, and straps

Connectors for Telescoping Tubes

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

Shaft Collar Adapters

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

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