Steel Insulation | McMaster-Carr

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Electrically Insulating

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Phillips Terminal Screw

Pozidriv®

Pozidriv® Terminal Screw

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EAR99

Double Shear Breaking Strength

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Sold As

1,303 Products

Fastening and Joining

Screwdrivers

Tighten and loosen screws

71 products

T-Handle Keys

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

16 products

Screw Starters

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

4 products

Nutdrivers

Tighten and loosen nuts and bolts

16 products

Ratchet Wrenches

Adjust fasteners in tight spaces without removing and repositioning the wrench

2 products

Socket Adapters

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

4 products

Torque Wrenches

Avoid overtightening and damaging fasteners by applying a specific torque

4 products

Sockets

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

11 products

Box Wrenches

Grip all sides of a fastener to prevent slipping

6 products

Socket Extensions

Lengthen sockets to turn hard-to-reach fasteners

4 products

Bit Sockets

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

8 products

Adjustable Wrenches

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

6 products

Retaining Ring Pliers

Install and remove rings inside a bore or around a shaft

1 product

Spring Pins

Squeeze and insert into tight holes to hold parts in place with tension

973 products

Sealing Washers

Prevent fluids from leaking around fasteners

82 products

Heating, Ventilation, and Air Conditioning

Insulation Hanger Studs

Press insulation sheets onto the spike to secure them to walls and other flat surfaces

17 products

Fabricating and Machining

Pry Bars

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

1 product

Files

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

1 product

Picks

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

5 products

Wire-Forming Pliers

Loop and bend wire; also known as round-nose pliers

1 product

Pliers Sets

A variety of pliers styles and sizes for whatever job comes up

2 products

Slip-Joint Pliers

Adjust the pivot point to switch between two different jaw opening sizes

2 products

Wire-Gripping Pliers

Pull, bend, and cut wire; also known as lineman's pliers

5 products

Adjustable Pliers

A range of jaw positions for turning fasteners and gripping workpieces

7 products

Long-Nose Pliers

Grab, bend, and position wire and other small parts

8 products

Material Handling

Pipe Hangers

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

9 products

Building and Machinery Hardware

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

20 products

Electrical

Wire Sleeving

Bundle wiring and protect from abrasion and heat

13 products