Firewall Plugs | McMaster-Carr

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System of Measurement

ID

1/64" to 11/16"

1/64" to 23/32"

1/64" to 1 1/8"

1/64" to 1 1/4"

Hole Diameter

For Material Thickness

0.072" to 0.135"

Material

Stainless Steel

Color

Shape

Flange Diameter

Plug Connection Method

For Use With

Hydraulic Fluid

Attachment Type

Profile Shape

Mount Type

Overall Height

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

High Temperature

High Visibility

Impact Resistant

Squeeze to Open

Height

Pipe Size

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 299° F

300° F to 499° F

500° F or greater

OD

Hardness

Head Diameter

For Use Outdoors

RoHS

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

2,009 Products

Grommets

For Wire, Cable, and Cords

Cut-to-Size Grommets

Cut-to-Size Grommets

Cut a hole in the center to fit your cord diameter

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Wet-Environment Sealing Grommets

Wet-Environment Sealing Grommets

A grommet and plug in one to seal out splashes and strong jets of water

Sealing Grommets

Sealing Grommets

Close tightly around cords, pipe, and tubing to keep out splashes and debris

Cut-to-Size Sealing Grommets

Cut-to-Size Sealing Grommets

Cut a hole in the center for a tight seal around wire, cable, and cords

Grommet Assortments

Grommet Assortments

A variety of sizes for holes of different diameters

Flex-Grip Locking Grommets

Flex-Grip Locking Grommets

Grip in the center while anchoring to the hole so both the grommet and the cord stay put

Split Locking Grommets

Split Locking Grommets

Snap around cords you've already installed and stay put when pulled or vibrated

Split Sealing Grommets

Split Sealing Grommets

Create a tight seal around wire, cable, and cords you've already installed

Sanitary Sealing Grommets

Sanitary Sealing Grommets

Protect cables, pipe, and tubing in facilities that need to be perfectly clean

Flex-Grip Grommets

Flex-Grip Grommets

Flaps in the center grip wire, cable, and cords to prevent jostling and backing out

Locking Grommets

Locking Grommets

Stay put in the hole when installed vertically and in vibrating equipment

Watertight Sealing Grommets

Watertight Sealing Grommets

The tightest seal we offer so no water leaks past your wire, cable, and cords

Furniture Grommets

Furniture Grommets

Eliminate cord clutter and add a finished look to your work surface

Brush-Seal Furniture Grommets

Brush-Seal Furniture Grommets

Secure bundles of cords while catching dust and splashes of liquid

Flex-Grip Furniture Grommets

Flex-Grip Furniture Grommets

The center flexes to secure cords and prevent jostling and backing out

Squeeze-to-Open Furniture Grommets

Squeeze-to-Open Furniture Grommets

Open with a squeeze then close to secure bundles of cable and cords

Cut-to-Size Split Sealing Grommets

Cut-to-Size Split Sealing Grommets

Custom fit for unevenly shaped bundles of wire you've already installed

Sanitary Split Sealing Grommets

Sanitary Split Sealing Grommets

Protect cables, pipe, and tubing you've already installed in sanitary environments

For Pipe and Tubing

Flexible Pipe and Tubing Grommets

Flexible Pipe and Tubing Grommets

Relieve strain on moving or misaligned pipe and tubing

Pipe and Tubing Grommets

Pipe and Tubing Grommets

Protect pipe and tubing from holes with sharp or rough edges

For Fabric

Fabric Grommets

Fabric Grommets

Add a protective metal ring so cable and rope don't tear your fabric

Reinforcing Fabric Grommets

Reinforcing Fabric Grommets

Handle thicker materials and more strain than other fabric grommets

Fabric Grommet Kits

Fabric Grommet Kits

Fabric grommets of a single size and all the tools you need to install them

Self-Piercing Fabric Grommets

Self-Piercing Fabric Grommets

No need to cut a hole before installing

Snap-In Fabric Grommets

Snap-In Fabric Grommets

Install by hand—no need for setting tools

For Shafts

Shaft Grommets

Protect shafts and bearings and allow them to spin freely in the hole

Other Products

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

Bore Sealing Plug Installation Tools

Bore Sealing Plug Installation Tools

Set sealing plugs into unthreaded holes in pneumatic and hydraulic components

Fixture Plate Plugs

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Data Port Plugs

Data Port Plugs

Keep dust, debris, and moisture out of unused computer ports

Tamper-Evident Seals

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

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