Insulated Terminals | McMaster-Carr

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1,032 Products

Terminals, Ferrules, and Lugs

Quick-Disconnect Terminal

Quick-Disconnect Terminals

Pair with other quick-disconnects for fast adjustments

100 products

Heat-Shrink Quick-Disconnect Terminals

Insulation shrinks when heated to tightly grip and seal the wire

37 products

Flame-Retardant Quick-Disconnect Terminals

Self-extinguish to help contain electrical fires

11 products

Quick-Disconnect Terminal Assortments

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

5 products

Piggyback Quick-Disconnect Terminals

Create two connections with one terminal if all your male connection tabs are in use

14 products

Tight-Hold Heat-Shrink Quick-Disconnect Terminals

A secure grip on the wire prevents pullout

9 products

Heat-Shrink Piggyback Quick-Disconnect Terminals

Insulation shrinks when heated to tightly grip and seal the wire

3 products

Interlocking Quick-Disconnect Terminals

Metal prongs on the blades lock two terminals together

2 products

Ring Terminal

Ring Terminals

Encircle the whole screw to stay put when pulled or vibrated

127 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

Ring Terminal Assortments

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

4 products

Multisize Elongated Ring Terminals

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

9 products

Twist-Resistant Block Ring Terminals

Fit securely in terminal blocks to resist turning and jostling

5 products

Vibration-Resistant Internal-Tooth Ring Terminals

Maintain a strong connection through shaking and jolts

16 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

Spade Terminal

Spade Terminals

Quickly slide into place without removing the screw

20 products

Twist-Resistant Block Spade Terminals

Fit securely in terminal blocks to resist turning and jostling

26 products

Locking Spade Terminals

The easiest spade terminals to connect—two forks slide past the screw then snap onto the shank

25 products

Flanged Spade Terminals

Resist slipping and falling from control panels and other vertical surfaces

18 products

Heat-Shrink Spade Terminals

Insulation shrinks when heated to tightly grip and seal the wire

9 products

Heat-Shrink Flanged Spade Terminals

Heat to shrink the insulation for a tighter grip and seal than other flanged spade terminals

7 products

Tight-Hold Heat-Shrink Spade Terminals

A secure grip on the wire prevents pullout

10 products

Heat-Shrink Locking Spade Terminals

Heat to shrink the insulation for a tighter grip and seal than other locking spade terminals

10 products

Tight-Hold Heat-Shrink Locking Spade Terminals

Grip wire more tightly and install more easily than other locking spade terminals

9 products

Wire Ferrule

Wire Ferrules

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

66 products

Wire Ferrule Assortments

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

6 products

Snap-Plug Terminal

Snap-Plug Terminals

Space-saving alternative to quick-disconnect terminals

18 products

Tight-Hold Heat-Shrink Snap-Plug Terminals

A secure grip on the wire prevents pullout

12 products

Heat-Shrink Snap-Plug Terminals

Insulation shrinks when heated to tightly grip and seal the wire

14 products

Pin Terminal

Pin Terminals

Fit tiny openings in terminal blocks and printed circuit boards

8 products

Heat-Shrink Pin Terminals

Insulation shrinks when heated to tightly grip and seal the wire

3 products

Blade Terminal

Blade Terminals

Flat for the strongest hold and conductivity in clamp-style connections

6 products

Flanged Blade Terminals

Less likely to fall than standard blade terminals if the connection loosens

6 products

Compression Lug

Pin Compression Lugs

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

8 products

Hook Terminal

Hook Terminals

Quick to install and hold tightly enough to stay put through mild vibration

11 products

Other Products

Wire Splices, Connectors, and Taps

Join wire and protect the connection

283 products

Terminal and Splice Kits

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

12 products

Terminal Adapters

Convert wire terminals from one connection type or gender to another

1 product

Welding Lugs

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

6 products

Electrical Cords

Connect equipment and devices to a power supply

7 products