Hole Fillers | McMaster-Carr

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Calcium Sulfate (Gypsum)

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5,400 Products

Most Likely Products

Surface Fillers

Repair chips, cracks, and tears in various surfaces

197 products

Electrical Enclosure Plugs

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

77 products

Protective Plugs

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

1,010 products

Grommets

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

941 products

All Results

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

197 products

Wallpaper Brushes

Spread on paste and smooth wrinkles to mount wallpaper

2 products

Concrete Rakes

Push, pull, and level freshly poured concrete

1 product

Concrete Curing Vibrators

Increase the strength of concrete mix by shaking trapped air loose

1 product

Concrete Floats

Smooth the surface of concrete and release trapped air and water

3 products

Concrete Groovers

Add grooves to stop concrete slabs from cracking as they dry, settle, or freeze

1 product

Concrete Edgers

Create a rounded, finished-looking edge on poured concrete slabs

1 product

Asphalt Rakes

Spread and level asphalt

2 products

Concrete Mixing Hoes

Mix concrete, mortar, or plaster; also known as mortar hoes

3 products

Brick Jointers

Rub along the mortar between bricks for a uniform, finished appearance

1 product

Masonry Brushes

Sweep away hardened flecks of mortar, dirt, and other debris

1 product

Trowels

Spread and scrape mortar, concrete, drywall, and adhesives

18 products

Grout Floats

Smooth and spread grout between tiles

1 product

Drywall Patches

Stick over holes in drywall and cover with drywall compound for quick repairs

3 products

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

46 products

Seam Rollers

Press down the seams where wall coverings meet for a smooth, continuous appearance

7 products

Drywall Tape

Apply to seams and corners before spreading drywall compound for a finished appearance

2 products

Drywall Compound Hawks

Carry drywall compound in one hand so you can apply it with the other

1 product

Drywall Compound Mashers

Mix drywall compound in large containers

1 product

Drain Cleanout Hole Covers

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

26 products

Floor Drain Trap Seals

Stop sewer gases from escaping through rarely used floor drains if the P-trap dries out

4 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Stakes

Anchor objects to the ground and mark off areas

4 products

Brooms

Sweep up dust, dirt, and other debris

1 product

Stake Pullers

Remove stakes from concrete form boards

1 product

Electrical

Electrical Enclosure Plugs

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

77 products

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

3 products

Thermal Interface Material

Dissipate heat away from electronic components

8 products

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Data Port Locks

Block USB or Ethernet ports from unauthorized use

9 products

Data Port Plugs

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

3 products

Building and Machinery Hardware

Protective Plugs

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

1,010 products

Grommets

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

941 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

219 products

Door Hole Covers

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

8 products

Vibration-Damping Mounts

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

93 products

Fluid Handling

Tube End Plugs

Insert into the ends of tube to keep out dirt and debris

260 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

1,393 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

41 products

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

354 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

69 products

Heat Exchanger Plugs

Plug leaky internal tubes in heat exchangers

17 products

Fabricating and Machining

Fixture Plate Plugs

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

1 product

Drywall Knives

Smoothly spread drywall compounds and also scrape off paint and debris

11 products

Circle Cutters

Create circular openings in drywall for pipes, conduit, and light fixtures

1 product

Measuring and Inspecting

Alignment Pins

Line up holes in sheet metal, I-beams, and angle irons for bolting, riveting, and welding

148 products

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

17 products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

1 product

Press-Fit Nuts

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

2 products

Retaining Compounds

Fill gaps to bond shafts, bearings, press-fit assemblies, and other cylindrical metal parts

43 products

Safety Equipment

Fire Hydrant Plugs

Pair with a hook-style spanner wrench to quickly seal fire hydrants and washdown equipment

3 products

Cover Plates for Fire Sprinkler Heads

Replace the cover on your fire sprinkler head for a clean look; also known as escutcheons

12 products

Floor Drain Plugs

Prevent oil and other spills from going down your floor drain

3 products

Material Handling

Wire Rope Plugs

Secure wire rope in end fittings with a plug-lock connection

10 products

Containers, Storage, and Furniture

Tank Patches

Spin with a handheld electric router to seal holes in plastic tanks and containers

2 products

Drum Plugs

Seal drum lid openings

19 products

Concrete Mixing Boxes

Mix concrete in seamless boxes that won't crack or leak

2 products

Drywall Compound Pans

Mix small batches of drywall compound and bring them to your work area; also known as mud pans

1 product

Communication

Tamper-Evident Seals

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

2 products

Sealing

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

2 products

Backer Rod Insertion Tools

Quickly set foam backer rods in caulk joints at a consistent depth without puncturing them

2 products