Hole Protectors | McMaster-Carr

Filter by

System of Measurement

ID

1/64" to 11/16"

1/64" to 23/32"

Material

Stainless Steel

OD

0.053" to 0.12"

0.079" to 0.15"

0.111" to 0.177"

Color

Shape

Hole Diameter

For Material Thickness

Screw Size

Pipe Size

Mount Type

Unthreaded Hole

Plug Connection Method

Thickness

0.018" to 0.025"

0.019" to 0.043"

0.021" to 0.041"

0.024" to 0.038"

0.026" to 0.036"

0.033" to 0.047"

0.035" to 0.045"

0.035" to 0.070"

0.036" to 0.044"

0.036" to 0.056"

0.042" to 0.052"

0.043" to 0.057"

Flange Diameter

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

Overall Height

For Use With

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Extra Strong Grip

High Temperature

High Visibility

Impact Resistant

Profile Shape

Cap Type

Hardness

Durometer 30 OO

Durometer 50 OO

Durometer 70 OO

Washer Type

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

4,841 Products

Grommets

For Wire, Cable, and Cords

Grommets

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

Cut-to-Size Grommets

Cut-to-Size Grommets

Cut a hole in the center to fit your cord diameter

Grommet Assortments

Grommet Assortments

A variety of sizes for holes of different diameters

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

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

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

Split Sealing Grommets

Split Sealing Grommets

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

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 Sealing Grommets

Sanitary Sealing Grommets

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

Sanitary Split Sealing Grommets

Sanitary Split Sealing Grommets

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

Wet-Environment Sealing Grommets

Wet-Environment Sealing Grommets

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

Watertight Sealing Grommets

Watertight Sealing Grommets

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

Strain-Relief Grommets

Strain-Relief Grommets

Combine the strain relief of a cord grip with the cushioning of a grommet

Continuous-Flex Strain-Relief Grommets

Continuous-Flex Strain-Relief Grommets

Allow cords to bend repeatedly without kinking and fraying

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

For Pipe and Tubing

Pipe and Tubing Grommets

Pipe and Tubing Grommets

Protect pipe and tubing from holes with sharp or rough edges

Flexible Pipe and Tubing Grommets

Flexible Pipe and Tubing Grommets

Relieve strain on moving or misaligned pipe and tubing

For Fabric

Fabric Grommets

Fabric Grommets

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

Fabric Grommet Kits

Fabric Grommet Kits

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

Reinforcing Fabric Grommets

Reinforcing Fabric Grommets

Handle thicker materials and more strain than other fabric grommets

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

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Insulating Washers

Insulating Washers

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

DIN Rail Caps

Guard the edges of DIN rail from damage and create a finished look

Fixture Plate Plugs

Fixture Plate Plugs

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

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Door Hole Covers

Door Hole Covers

Eliminate gaps around handles and deadbolts, or conceal holes after removing handles

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Electrical Enclosure Plugs

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

Bore Sealing Plugs

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

Drain Cleanout Hole Covers

Drain Cleanout Hole Covers

Conceal drain cleanout plugs in walls and floors while keeping them accessible

Dust Covers

Stretch over drums, pails, and other objects to keep out dust and debris

Stacking Caps and Targets

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

Electrical Connector Clips

Electrical Connector Clips

Attach to data connectors to lock them in place, repair them, or color code them

Data Port Locks

Data Port Locks

Block USB or Ethernet ports from unauthorized use

Heat-Shrink Tubing End Caps

Heat-Shrink Tubing End Caps

Seal moisture out of crimped electrical connections

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Capacitor Boots

Capacitor Boots

Shield capacitors and wire connections to extend their service life and reduce accidental shocks

Data Port Plugs

Data Port Plugs

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

Drain Cleanouts

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

Air Conditioner Service Valve Caps

Air Conditioner Service Valve Caps

Seal off AC service valves to prevent refrigerant from leaking out

Tamper-Evident Seals

Tamper-Evident Seals

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

Electrical Connector Caps

Electrical Connector Caps

Protect data connectors when not in use

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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