Ring Lugs | McMaster-Carr

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774 Products

Terminals, Ferrules, and Lugs

Ring Terminal

Ring Terminals

Encircle the whole screw to stay put when pulled or vibrated

222 products

Heat-Shrink Ring Terminals

Insulation shrinks when heated to tightly grip and seal the wire

27 products

Tight-Hold Heat-Shrink Ring Terminals

A secure grip on the wire prevents pullout

38 products

Twist-Resistant Block Ring Terminals

Fit securely in terminal blocks to resist turning and jostling

5 products

Multisize Elongated Ring Terminals

Fit multiple screw sizes so you can keep fewer terminals on hand

12 products

Heat-Shrink Multisize Elongated Ring Terminals

Heat to shrink the insulation for a tighter grip and seal than other multisize ring terminals

3 products

Vibration-Resistant Internal-Tooth Ring Terminals

Maintain a strong connection through shaking and jolts

22 products

Easy-Insert Ring Terminals

Pop wire into the open or oversized barrel

5 products

Easy-Insert Ring Terminals for Automated Crimpers

Lay wire into the open barrel and feed into your crimping machine to speed up large jobs

3 products

Ring Terminal Assortments

Keep a variety of sizes and materials handy for quick circuit repairs and adjustments

6 products

Compression Lug

Compression Lugs

Squeeze onto the wire for a permanent, vibration-resistant connection

191 products

Heavy Duty Compression Lugs

A thicker body dissipates more heat from high electrical loads

8 products

Slotted Compression Lugs

Install screws at various points along the slot when screw spacing is uncertain or inconsistent

8 products

Finish-Your-Own Compression Lugs

Drill holes where you need them for whatever screw sizes work best

7 products

Tight-Hold Compression Lugs

A secure grip on the wire prevents pullout

2 products

Pin Compression Lugs

Turn flexible, stranded wire into one rigid wire for easy insertion

8 products

Set Screw Lug

Set Screw Lugs

Quickly attach large wire without using a compression tool

43 products

Offset Set Screw Lugs

Extend vertically for easier wire insertion or adjustment

15 products

Stacked Set Screw Lugs

Connect multiple wires to a single lug

6 products

Multi-Angle Set Screw Lugs

Attachment points at several angles allow wire to thread past nearby obstructions

3 products

Tamper-Resistant Set Screw Lugs

Shear the screw heads off so your connection can’t be removed or altered

8 products

Set Screw Lug Assortments for Transformers

Set screw lugs, nuts, and bolts needed for several transformer types

2 products

Lay-In Lug

Easy-Insert Lay-In Lugs

Lay the stripped wire into the lug to attach to continuous runs

3 products

Box Lug

Box Lugs

Slide onto grounding or neutral bars in electrical panels

3 products

Other Products

Battery Terminals

Connect cable to battery posts to power vehicles and machines

72 products

Terminal and Splice Kits

Maintain a supply of extra terminals and splices to join and terminate wire

16 products

Welding Lugs

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

13 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

6 products

Wire and Cable Crimpers

Crimp connectors onto electrical wire or cable

7 products