Wire Rings | McMaster-Carr

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	Specifications Met Specifications Met

ASME

	Ring ID Ring ID

	Wire Connection Type Wire Connection Type


Crimp On	Compression

Screw-Clamp Terminals	Solder

	Thickness Thickness

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3,656 Products

Ring Terminals

Insulated Ring Terminals

A plastic cover on the barrel provides electrical insulation rated to 600 volts.

Noninsulated Ring Terminals

Mount these terminals on a threaded screw or stud for a more secure connection than spade and hook terminals.

Insulated Elongated Ring Terminals

The elongated ring can be mounted with a range of screw sizes. A plastic cover on the barrel provides electrical insulation rated to 600 volts.

Noninsulated Elongated Ring Terminals

Mount these elongated ring terminals on a range of threaded screw and stud sizes—their connection is more secure than spade or hook terminals.

Noninsulated High-Temperature Ring Terminals

Choose from all-metal terminals rated to 900°F or 1200°F.

Insulated High-Temperature Ring Terminals

With a heat-resistant PVDF cover on the barrel, these terminals are best for high-temperature applications where you want to prevent short-circuiting with nearby wire.

Solder-Loaded Heat-Shrink Ring Terminals

When heat is applied, the enclosed solder melts, creating the most secure, electrically conductive, and environmentally sealed connection we offer.

Elongated Heat-Shrink Ring Terminals

The elongated ring can be mounted with a range of screw sizes.

Heat-Shrink Ring Terminals

When heat is applied, the insulation shrinks and creates a seal that keeps out water, salt, and contaminants.

Noninsulated Heavy Duty Ring Terminals

Thicker than standard ring terminals and noninsulated, these terminals are best when you need durability and to easily inspect the wire connection.

Insulated Heavy Duty Ring Terminals

With a thicker ring and a plastic cover on the barrel, these terminals are more durable than standard ring terminals and insulated to prevent short circuiting with nearby wire.

Noninsulated Extra-Grip Ring Terminals

A serrated edge on the inside of the ring grips the mounting screw for a secure hold.

Insulated Extra-Grip Ring Terminals

A plastic cover on the barrel provides electrical insulation rated to 600 volts.

Ring Terminal Jumper Cords

Save preparation time—these cords are ready-to-use with ring terminals on each end of a single-conductor wire.

90° Flag Ring Terminals

Connect wire to a screw or stud at a right angle to fit connections into tight spaces.

Lugs

Compression Lugs

Use a compression tool to attach lugs to wire. Mount them to a screw.

Double-Compression Lugs

Compress the barrel twice for an extra-tight grip in high-vibration applications.

Set Screw Lugs

The straight tongue improves conductivity by increasing the surface contact between the lug and your equipment.

Set Screw Lugs with Offset

An offset tongue gives you extra space to insert wire.

Solder and Crimp-On Lugs

Solder these lugs in place or use a crimping block and punch (sold separately) and hit them with a hammer for a secure connection.

Hammer-On Lugs

Slide these lugs onto cable and strike them with your hammer to create a durable connection.

Screw-Down Welding Lugs

Tighten the screw with a ¼" hex key wrench for a more secure connection than Hammer-On Welding Lugs.

Terminal and Splice Assortments

Ring Terminal Assortments

Keep a variety of ring terminal sizes on hand.

Terminal and Splice Assortments

Use the included crimping tool to install a variety of terminals and butt splices.

Cotter Pins

Split Rings

Also known as key rings, twist these rings into place to secure clevis pins, connect components, or add a pull handle. They don't have the sharp ends of other cotter pins.

Cotter Rings

Twist these rings on to lock pins in place. They don't have the sharp ends of other cotter pins.

External Retaining Rings

Single-Turn Spiral External Retaining Rings

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

Spiral External Retaining Rings

These coiled rings can be wound into place on a shaft without tools.

Heavy Duty Spiral External Retaining Rings

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

Low-Clearance External Retaining Rings

Also known as constant-section rings, these rings have open ends and a profile that does not taper like other external retaining rings. Use them with linear bearings on support rail shafts.

External Retaining Rings

Open these rings, pass them over the end of a shaft, and release to spring into the groove.

Mil. Spec. External Retaining Rings

These rings meet military specification MS 16624.

Heavy Duty External Retaining Rings

Thicker than standard external retaining rings, these rings withstand greater force.

Bowed External Retaining Rings

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

Self-Locking External Retaining Rings

No groove is required for these rings—their thick profile helps them grip the shaft.

Inverted External Retaining Rings

For a smooth profile and better clearance than standard external retaining rings, the lugs on these rings point inward.

Side-Mount External Retaining Rings

Also known as E-style rings.

Low-Clearance Side-Mount External Retaining Rings

Also known as C-style and crescent rings, these rings have a small shoulder to fit in tight spaces.

Bowed Side-Mount External Retaining Rings

Also known as bowed E-style rings, these have a curved design that works like a spring, taking up play for a tight hold.

Wide-Grip Side-Mount External Retaining Rings

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.

Heavy Duty Side-Mount External Retaining Rings

These rings are reinforced to withstand faster rotation than other side‐mount retaining rings. Also known as reinforced E‐style rings.

Speared Ends External Retaining Rings

Often used with small engines, heavy equipment, and power transmission, these external retaining rings have speared ends to help you install and remove them.

Crimp-On External Retaining Rings

Also known as X-washers, place these rings into the groove and squeeze tight with pliers to form a 360° closure.

Push-On External Retaining Rings

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

Push-On Retaining Caps

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

Flanged Push-On External Retaining Rings

The wide flange provides better load distribution than standard external push rings and can be used to cover oversized holes. Also known as thread cutting nuts.

Rectangular Push-On External Retaining Rings

Also known as flat-style speed nuts, these have a large surface to distribute loads better than standard and flanged external push rings.

Clip-On External Retaining Rings

Slide these rings into a groove near the end of the shaft and the tab locks them in place.

Internal 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.

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.

Internal Retaining Rings

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

Bowed Internal Retaining Rings

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

Internal Teeth Retaining Rings

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

Inverted Internal Retaining Rings

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

Heavy-Duty Internal Retaining Rings

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

Push-On Internal Retaining Rings

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

Fastener Assortments

Split Ring Assortments

External, Internal, and Side-Mount
Retaining Ring Assortments

These 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.

Hog Ring Assortments

External and Internal Retaining Ring Assortments

Assortments include pliers to install external and internal rings.

External Retaining Ring Assortments

Pull these rings open with retaining ring pliers, pass over the end of a shaft, and release to spring into a groove.

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.

External and Side-Mount Retaining Ring Assortments

Assortments include pliers to install external rings.

Internal Retaining Ring Assortments

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

External Push Ring Assortments

Internal Push Ring Assortments

Hog Rings

Squeeze these rings closed for use as sack closures, in tagging applications, and for repairing fences.

Hog Rings for Auto-Feed Pliers

These rings come in a strip for less frequent reloading in auto-feed pliers.

Signs, Labels, and Tags

Tag Rings

Loop these rings onto tags.

Locking Tag Rings

Choose from twisting, threading, cinching, and other locking mechanisms.

Colored Tag Ring Assortments

Includes a black, blue, green, purple, and red tag ring.

Coiled Name-Badge Wristbands

Hold name badges, keys, and other items by the wrist.

Metal-Detectable Name-Badge Lanyards

Made of bright blue, FDA-compliant rubber with metal additives, these lanyards are designed with sanitary standards in mind. They're safe for direct contact with food, easy to spot, and metal detectable if any piece contaminates a batch.

Links and Rings—Not for Lifting

Rings—Not for Lifting

Hang, pull, and secure loads. These rings are good for general non-lifting applications.

D-Rings—Not for Lifting

The flat side allows you to connect webbing and strapping, so they lay flat and resist bunching.

Oblong Links—Not for Lifting

Smaller than lifting oblong links, these links provide room for snaps, carabiners, and other non-lifting connectors.

Pear-Shaped Links—Not for Lifting

Limit rope and chain movement with the narrow end of these links and attach multiple connectors to the wide end.

Pear-Shaped Threaded
Connecting Links—Not for Lifting

The narrow end restricts the movement of rope and chain, and the wide end allows room to attach multiple connectors.

Square-Shaped Threaded
Connecting Links—Not for Lifting

Flat sides allow webbing and strapping to lay flat, so they won't slide and bunch.

Trapezoid-Shaped Threaded
Connecting Links—Not for Lifting

Best for attaching different widths of webbing and strapping, the flat sides ensure they lay flat and won't bunch or slide.

90° Twist Threaded Connecting Links—Not for Lifting

The twisted shape of these links prevents loads from rotating or knotting.

Triangle-Shaped Threaded
Connecting Links—Not for Lifting

Use for three-sided connections. Flat sides ensure webbing and strapping lay flat, so they won't slide and bunch.

Oval-Shaped Threaded
Connecting Links—Not for Lifting

Also known as quick links, these links thread closed by hand or with a wrench.

Light Duty Hammer-Close
Connecting Links—Not for Lifting

Also known as lap links or repair links.

Medium Duty Hammer-Close
Connecting Links—Not for Lifting

Drive the end through the eye using a ball peen hammer and then weld or flatten the extended end to close. These links are also known as cold shuts.

Riveted Hammer-Close
Connecting Links—Not for Lifting

Strike the prongs with a ball peen hammer and they expand to hold the connecting link together.

Removable Figure-Eight
Connecting Links—Not for Lifting

Often used with transport chain, these links are good for binding, tying down, and pulling loads.

Quick-Disconnect Connecting Links—Not for Lifting

Also known as C-links, the notch in these links lets you slip additional links on or remove links quickly.

Links and Rings—For Lifting

Pear-Shaped Links—For Lifting

Limit rope and chain movement with the narrow end of these links and attach multiple connectors to the wide end.

Rings—For Lifting

Use these links for general lifting applications.

Oblong Link Assemblies—For Lifting

Providing better load distribution and alignment than single oblong links, these reduce wear in three and four leg slings.

Oblong Links—For Lifting

Also known as master and sling links, a large inner diameter provides room to attach multiple connectors or legs on a sling.

Nonremovable Figure-Eight
Connecting Links—For Lifting

Once secured with the included locking pin, these links must be cut off to be removed.

Links with Chain-Shortening Hooks—For Lifting

A pear-shaped link and hook for chain shortening allow you to create an adjustable-length chain sling.

Removable Pear-Shaped Connecting Links—For Lifting

The wide end of these links has more room for attachments than standard figure-eight links.

Removable Figure-Eight Connecting Links—For Lifting

Hammer the pin through the center to assemble these links. They’re also known as hammer locks and sling links.

Removable Triangle-Shaped
Connecting Links—For Lifting

The flat side lets webbing and strapping lay flat, so they don’t slide and bunch.

Locking Snaps

Overlapping-Arm Snaps with Swivel Eye

The force of the load helps keep the arms closed. Press the trigger for quick connection and disconnection.

Wire-Lockable Slide-Bolt Snaps with Swivel Eye

Lock the bolt with wire or a cable tie for a secure connection.

Trigger-Release Snaps with Eye

Squeeze the trigger to quickly release the latch.

Wide-Mouth Trigger-Release Snaps with Eye

A wide opening accepts large diameters of rope and pipe. Squeeze the trigger to release.

Safety Trigger-Release Snaps with Eye

For a more secure connection than standard trigger-locking snaps, squeeze the trigger and slide the latch grip down to release.

Snaps with Trigger-Release Latches on Both Ends

Slide-Bolt Snaps

Slide-Bolt Snap with Split Swivel Ring Assortments

Slide-Bolt Snaps with Flat Swivel Eye for Webbing

Slide-Bolt Snaps with Hook

Slide-Bolt Snaps with Split Swivel Ring

Slide-Bolt Snaps with Flat Eye for Webbing

Dual Slide-Bolt Snaps

Slide-Bolt Snaps with Eye

Slide-Bolt Snaps with Swivel Eye

Snaps

Snaps with Swivel Eye

These snaps have an eye that rotates for easy positioning.

Dual Snap Connectors

Load-Rated Snaps with Eye

Light Duty Snaps with Hook

Snaps with Eye

Create fast connections with items, such as rope, chain, and straps.

Light Duty Snaps for Webbing

Light Duty Snaps with Swivel Eye for Webbing

Light Duty Snaps with Swivel Hook

Light Duty Snaps with Swivel Eye

Load-Rated Snaps with Swivel Eye

Light Duty Snaps with Eye

Light Duty Snaps

Routing Rings and Hooks

Routing Rings

Also known as bridle rings, routing rings have an open-eye design that allows you to quickly install wire and cable.

Magnetic Routing Ring Bases

Temporarily mount routing rings and other threaded components to steel and iron surfaces.

Removable Routing Ringbolts

Anchor these ringbolts where you need them, then remove the ring when not in use. Once installed, the mounting bolt stays in place. Insert the ring by threading into the mounting bolt; remove by unthreading it.

Wire-Mount Routing Rings

Hang cable and other flexible material beneath wire to prevent it from sagging and swaying. To install, hook the two ends of the ring around the wire—no fasteners required.

Routing Ringbolts

Mount these ringbolts into a threaded hole, or use the nut for through-hole mounting. The pivoting ring allows material to move freely.

Multiline Routing J-Hooks

Keep multiple bundles of wire and cable on separate hooks. The hooks have wide openings to allow access for installation, adjustment, and removal.

Routing J-Hooks

Route bundles of wire and cable through a single hook. A wide opening allows access for installation, adjustment, and removal.

Nonconductive Routing Rings

These plastic rings won't conduct electricity. Also known as distribution rings, they have a large opening for routing multiple cables. A smooth surface prevents damage to wire and cable.

Socket Retaining Rings

Two-Piece Socket Retaining Rings

One-Piece Socket Retaining Rings

Key Racks

This wall-mount rack contains assorted-color key tags to store and easily identify keys at a glance.

Connecting Chain Links for Chain Barriers

Links split in half and snap back together. Use to connect two lengths of chain.

Figure-Eight Connectors

Often used in cable stringing and pulling applications, these connectors lock quickly and stay closed under tension.

Ring Terminals

Insulated Ring Terminals

Noninsulated Ring Terminals

Insulated Elongated Ring Terminals

Noninsulated Elongated Ring Terminals

Noninsulated High-Temperature Ring Terminals

Insulated High-Temperature Ring Terminals

Solder-Loaded Heat-Shrink Ring Terminals

Elongated Heat-Shrink Ring Terminals

Heat-Shrink Ring Terminals

Noninsulated Heavy Duty Ring Terminals

Insulated Heavy Duty Ring Terminals

Noninsulated Extra-Grip Ring Terminals

Insulated Extra-Grip Ring Terminals

Ring Terminal Jumper Cords

90° Flag Ring Terminals

Lugs

Compression Lugs

Double-Compression Lugs

Set Screw Lugs

Set Screw Lugs with Offset

Solder and Crimp-On Lugs

Hammer-On Lugs

Screw-Down Welding Lugs

Terminal and Splice Assortments

Ring Terminal Assortments

Terminal and Splice Assortments

Cotter Pins

Split Rings

Cotter Rings

External Retaining Rings

Single-Turn Spiral External Retaining Rings

Spiral External Retaining Rings

Heavy Duty Spiral External Retaining Rings

Low-Clearance External Retaining Rings

External Retaining Rings

Mil. Spec. External Retaining Rings

Heavy Duty External Retaining Rings

Bowed External Retaining Rings

Self-Locking External Retaining Rings

Inverted External Retaining Rings

Side-Mount External Retaining Rings

Low-Clearance Side-Mount External Retaining Rings

Bowed Side-Mount External Retaining Rings

Wide-Grip Side-Mount External Retaining Rings

Heavy Duty Side-Mount External Retaining Rings

Speared Ends External Retaining Rings

Crimp-On External Retaining Rings

Push-On External Retaining Rings

Push-On Retaining Caps

Flanged Push-On External Retaining Rings

Rectangular Push-On External Retaining Rings

Clip-On External Retaining Rings

Internal Retaining Rings

Single-Turn Spiral Internal Retaining Rings

Heavy Duty Spiral Internal Retaining Rings

Spiral Internal Retaining Rings

Internal Retaining Rings

Bowed Internal Retaining Rings

Internal Teeth Retaining Rings

Inverted Internal Retaining Rings

Heavy-Duty Internal Retaining Rings

Push-On Internal Retaining Rings

Fastener Assortments

Split Ring Assortments

External, Internal, and Side-MountRetaining Ring Assortments

External and Internal Spiral Retaining Ring Assortments

Hog Ring Assortments

External and Internal Retaining Ring Assortments

External Retaining Ring Assortments

Side-Mount External Retaining Ring Assortments

External and Side-Mount Retaining Ring Assortments

Internal Retaining Ring Assortments

External Push Ring Assortments

Internal Push Ring Assortments

Hog Rings

Hog Rings

Hog Rings for Auto-Feed Pliers

Signs, Labels, and Tags

Tag Rings

External, Internal, and Side-Mount
Retaining Ring Assortments

Pear-Shaped Threaded
Connecting Links—Not for Lifting

Square-Shaped Threaded
Connecting Links—Not for Lifting

Trapezoid-Shaped Threaded
Connecting Links—Not for Lifting

Triangle-Shaped Threaded
Connecting Links—Not for Lifting

Oval-Shaped Threaded
Connecting Links—Not for Lifting

Light Duty Hammer-Close
Connecting Links—Not for Lifting

Medium Duty Hammer-Close
Connecting Links—Not for Lifting

Riveted Hammer-Close
Connecting Links—Not for Lifting

Removable Figure-Eight
Connecting Links—Not for Lifting

Nonremovable Figure-Eight
Connecting Links—For Lifting

Removable Triangle-Shaped
Connecting Links—For Lifting