Connecting Rings | McMaster-Carr

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Material

System of Measurement

Thread Size

Retaining Ring Type

Shape

Adjustable-Angle Elbow

Finish

Corrosion-Resistant Coated

Retaining Ring Style

Groove Diameter

Ring Thickness

Body Style

Shank Length

Pipe Size

Length

Duct Size

RoHS

Compliant with Exemptions

REACH

Ring OD

Thickness

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

2B999

EAR99

Weight Capacity

Less than 10,000 lb.

10,000 lb. to 19,999 lb.

20,000 lb. to 29,999 lb.

30,000 lb. to 99,999 lb.

100,000 lb. or greater

Eye Diameter

Screw Size

9,231 Products

Material Handling

Quick Links

Join rope, cable, and chain to secure loads

116 products

Carabiners

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

224 products

Chain Connecting Links

Attach fittings to lift components or bind, tie down, and pull items

51 products

Chain Rings

Join chains and add connectors for binding, towing, and lifting

135 products

Shackles

Lift, pull, and anchor heavy loads while keeping them secure with a pin

307 products

Eye Nuts

Pair with bolts or threaded rod to lift and hang components

111 products

Eyebolts

Route rope through the loop or attach hooks and shackles for lifting

987 products

Hoist Rings

Pivot to resist stress that would bend or break an eyebolt when lifting at an angle

382 products

Ring Links

Bend, hammer, or twist closed to connect chain links and attach fittings

47 products

Snap Hooks

Spring, slide, or press open to quickly connect rope and chain

276 products

Tie-Down Rings

Use as fixed anchor points

84 products

L-Track Tie-Down Rings

Add pivoting connection points to L-Tracks to secure loads in different directions

3 products

Webbing Rings

Add looped connection spots

42 products

Webbing Guides

Prevent webbing from twisting and use as anchor points; also known as footman's loops

15 products

Webbing Anchor Plates

Create a permanent anchor point or use as webbing guides

5 products

E-Track D-Rings

Add flexible connection points to E-Tracks for securing loads in different directions

3 products

Rope Guides

Route and protect rope

30 products

Tow Eyes

Mount to trailers and connect to tow hooks or drawbar couplers on vehicles for towing

14 products

Loop Clamps

Hold pipe snug against the mounting surface to prevent movement that may cause breakage

478 products

Pipe Hangers

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

647 products

Hitch Inserts

Fit into hitch receivers and secure with a hitch pin to create a connection for towing

4 products

Pipe Standoff Clamps

Secure pipes in sanitation drain applications and keep them from touching the mounting surface

22 products

Routing Rings

Suspend wire and cable by feeding it through the eyehole

40 products

Pipe Cradles

Add support to prevent insulation from tearing when routing insulated pipe through loop hangers

20 products

Fastening and Joining

Split Rings

Secure clevis pins, connect components, or add a pull handle; also known as key rings

67 products

Retaining Rings

Hold components on a shaft

2,320 products

Hog Rings

Squeeze closed using hog ring pliers to seal sacks, repair fences, and clip on tags

11 products

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

99 products

Safety Pins

Fasten tags, labels, and other objects to fabric

8 products

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

8 products

Socket Retaining Rings

Secure sockets and adapters to impact tools

39 products

Brazing Rings

Snap into metal pipe and tubing to form leak-resistant joints more quickly than with hand-fed alloys

11 products

Brazing Alloys

Form stronger bonds between metal parts than solder without melting the base material

3 products

Welding Lugs

Screw, hammer, or crimp on to secure welding cable connections

13 products

Communication

Tag Rings

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

73 products

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

548 products

Hose and Hose Fittings

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

78 products

Electrical Power, Networking, and Controlling

Terminals, Ferrules, and Lugs

Attach to the end of wire to connect circuits in control panels, motors, and machinery

679 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

7 products

Jumper Cords

Ready to connect with a terminal at one or both ends

5 products

Containers, Storage, and Furniture

Curtain Hooks

Hang curtains from rods

8 products

Heating, Ventilation, and Air Conditioning

Duct and Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

1,153 products

Diffuser Collars

Connect diffusers to duct

4 products

Building and Machinery Hardware

Key Holders

Group keys on a single ring for easy access

23 products

Safety Equipment

Fall-Arrest Harness Lanyard Holders

Attach to your harness to hold unused lanyards out of the way

2 products

Fall-Arrest Anchors

Fasten to a beam or ceiling and your fall-arrest lanyard to catch you if you fall

25 products

Tool Lanyards

Tether tools to your harness so they don't fall if dropped

1 product

Fall-Arrest Extension Straps

Hook to the D-ring on your harness to make it easier to attach a fall-arrest lanyard

6 products

Tool Tether Attachments

Slide onto tools to connect them to equipment lanyards

10 products

Chain Barrier Links

Split in half and snap back together to securely connect lengths of chain

6 products

Fall-Rescue Packs

Clip onto your fall-arrest harness to lower yourself to safety after a fall

2 products

Fall-Rescue Kits

Everything you need to rescue a person who is suspended after a fall

2 products