Electrical Insulators | McMaster-Carr

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10,952 Products

Raw Materials

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

Plastic

A lightweight alternative to metal and glass

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

Aramid

Strong, lightweight, and an excellent thermal insulator; also known as Nomex

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Fastening and Joining

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Fastening Tool Kits

Fastening Tool Kits

Secure fasteners and complete a variety of other maintenance tasks

Screwdrivers

Tighten and loosen screws

Nutdrivers

Tighten and loosen nuts and bolts

T-Handle Keys

To turn fasteners in hard-to-reach spots, there's a long shaft and a grip for your whole hand

Screw Starters

Grip and start turning screws that are too small to hold or located in hard-to-reach spots

Sockets

Turn fasteners with an external drive style without slipping and damaging the drive

Socket Adapters

Socket Adapters

Make your socket more versatile, from converting the drive to limiting torque

Ratchet Wrenches

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

Socket Extensions

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

Box Wrenches

Grip all sides of a fastener to prevent slipping

Torque Wrenches

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

Adjustable Wrenches

Adjustable Wrenches

Adjust the jaws to fasten different size nuts, bolts, or workpiece

Bit Sockets

Turn fasteners with an internal drive style without slipping and damaging the drive

Tape

Bind, seal, and mark surfaces

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

Electrical-Insulating Wire Caps

Electrical-Insulating Wire Caps

Cover live wire ends to protect against shock from accidental contact

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Thermal Interface Material

Thermal Interface Material

Dissipate heat away from electronic components

Wire and Cable Strippers

Wire and Cable Strippers

Remove the outer insulation on wire and cable

Lubricating

Grease

Thicker than oil to evenly lubricate surfaces and stay in place

Fabricating and Machining

Files

Deburr, polish, and sharpen nearly any material, such as metal, plastic, ceramic, and wood

Scissors

Cut through a wide range of materials from paper and plastic to carpet and Kevlar

Pipe, Tube, and Hose Cutters

Pipe, Tube, and Hose Cutters

Make clean cuts in pipe, tube, hose, and conduit

End Cutters

Wide jaws cut steel wire, nails, and small rivets close to the surface; also known as nippers

Cable Cutters

Slice through electrical, data, armored, coaxial, and fiber-optic cable

Wire Rope Cutters

Wire Rope Cutters

Slice through metal wire rope, leaving the rest intact

Bolt Cutters

Snip metal chain, bolts, rods, rivets, wire, and padlocks

Picks

Hold, separate, and position small parts such as wire and springs

Retaining Ring Pliers

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

Pliers

Grip, bend, and twist wire and other small workpieces

Awls

Punch through soft materials and scribe lines in metal and wood

Pry Bars

Slide under heavy objects to pry, lift, and position them

Hacksaws

Blades have more teeth per inch than handsaws to cut through metal and plastic more smoothly

Measuring and Inspecting

Inspection Mirrors

Inspection Mirrors

Reach around corners and obstructions to inspect hard-to-see areas

Power Transmission

Ball Bearings

Create less friction than other bearings for use at high speeds

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