Fillers | McMaster-Carr

Filter by

Thickness

Color

Width

Container Type

For Use On

Backing Type

For Joining

Length

Cell Type

Maximum Temperature

Material

Hardness Rating

Shape

For Use Outdoors

Flexibility

Texture

Diameter

USMCA Qualifying

REACH Compliance

Minimum Temperature

RoHS Compliance

DFARS Compliance

Consistency

How can we improve?

7,036 Products

Most Likely Products

Surface Fillers

Surface Fillers

Repair chips, cracks, and tears in various surfaces

Sealants

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

TIG Welding Rods

TIG Welding Rods

Add extra metal while TIG welding to help flatten welds and hold workpieces together

All Results

Facility and Grounds Maintenance

Surface Fillers

Surface Fillers

Repair chips, cracks, and tears in various surfaces

Protective Coatings

Protective Coatings

Shield surfaces from the surrounding environment

Wallpaper Brushes

Wallpaper Brushes

Spread on paste and smooth wrinkles to mount wallpaper

Sealant Removers

Sealant Removers

Clean sealant and caulk off tools and other surfaces

Bottle Filler Faucets

Bottle Filler Faucets

Fill water bottles using chillers or other water sources to cut down on single-use plastic bottles

Drywall Patches

Drywall Patches

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

Drywall Compound Mashers

Drywall Compound Mashers

Mix drywall compound in large containers

Seam Rollers

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

Drywall Tape

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

Drywall Compound Hawks

Drywall Compound Hawks

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

Concrete Edgers

Concrete Edgers

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

Concrete Curing Vibrators

Concrete Curing Vibrators

Increase the strength of concrete mix by shaking trapped air loose

Concrete Rakes

Push, pull, and level freshly poured concrete

Concrete Floats

Concrete Floats

Smooth the surface of concrete and release trapped air and water

Concrete Groovers

Concrete Groovers

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

Asphalt Rakes

Spread and level asphalt

Concrete Mixing Hoes

Concrete Mixing Hoes

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

Masonry Brushes

Masonry Brushes

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

Stakes

Anchor objects to the ground and mark off areas

Brooms

Sweep up dust, dirt, and other debris

Trowels

Spread and scrape mortar, concrete, drywall, and adhesives

Grout Floats

Smooth and spread grout between tiles

Brick Jointers

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

Stake Pullers

Remove stakes from concrete form boards

Fastening and Joining

TIG Welding Rods

TIG Welding Rods

Add extra metal while TIG welding to help flatten welds and hold workpieces together

TIG Welding Rod Feeders

TIG Welding Rod Feeders

Advance TIG rods for controlled welds

Hot Air Welding Rods

Hot Air Welding Rods

Melt with heat from a welder to create joints between pieces of plastic

Stick Electrodes

Stick Electrodes

Flux coated for stability and speed when welding most metals

Gas Welding Rods

Gas Welding Rods

Melt in extra metal while gas welding to help workpieces hold together

Adhesives

Bond surfaces together

Retaining Compounds

Retaining Compounds

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

Adhesive Dispensing Gun Nozzles

Adhesive Dispensing Gun Nozzles

Pair with cartridges in dispensing guns to control the flow of adhesive

Adhesive Dispensing Guns

Adhesive Dispensing Guns

Apply beads of adhesive from a cartridge to surfaces

Adhesive Dispensing Gun Cartridge Plungers

Adhesive Dispensing Gun Cartridge Plungers

Pair with syringes or dispensing-gun cartridges to push adhesive out

Brazing Alloys

Form stronger bonds between metal parts than solder without melting the base material

Brazing Flux

Clean and prepare metal surfaces for brazing

Brazing Stop-Off

Brazing Stop-Off

Keep flux and metal from flowing into unwanted areas while brazing

Tape

Bind, seal, and mark surfaces

Solder

Join pieces of metal without melting the base material

Soldering Flux

Clean and prepare surfaces for soldering

Solder Wire Feeders

Solder Wire Feeders

Feed precise amounts of wire to the tip of your iron for efficient soldering

Sealing

Sealants

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

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

Thread Sealants

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

Caulk Guns

Cartridge, sausage-pack, and bulk-load caulk guns

Caulk Gun Nozzles

Caulk Gun Nozzles

Attach to caulk guns to change the shape and amount of sealant that's dispensed

Backer Rod Insertion Tools

Backer Rod Insertion Tools

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

Sealant Primers

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

Raw Materials

Additives and Fillers

Additives and Fillers

Mix into coatings, resins, polymers, and metal to boost strength, conductivity, and lubricity

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Fumed Silica

Commonly used as a thickener, desiccant, and mild abrasive

Diatomaceous Earth

Diatomaceous Earth

Typically used as a sorbent, mild abrasive, filtration aid, and insecticide

Aluminum Oxide

Commonly used as an abrasive for grinding, sanding, and polishing

Molybdenum Disulfide

Molybdenum Disulfide

Apply directly to lubricate parts or mix into other substances to increase their lubricity

Corn Starch

Often used as a thickener, mold-release agent, and soft abrasive blasting media

Magnesium Sulfate

Magnesium Sulfate

Often used to regulate viscosity in soaps and detergents; also known as Epsom Salt

Hydrated Lime

Often used to make building materials, such as mortars and cement, and to treat air and water

Sodium Carbonate

Sodium Carbonate

Often used in pH control, disinfectants, and flue gas purification; also known as soda ash

Calcium Chloride

Calcium Chloride

Often mixed with concrete so it sets faster as well as spread over roads to melt ice and absorb dust

Calcium Carbonate

Calcium Carbonate

Often used as a buffing and polishing agent and abrasive blasting media

Bentonite

Often used to increase the plasticity of ceramics and purify water

Copper Sulfate

Often used as an algicide, in electroplating solutions, and to remove water from organic compounds

Pumice

Often used to polish surfaces and as a component in plaster and concrete to make them lighter weight

Material Handling

Expanding Foam

Conforms to and cushions items in boxes to keep them from banging around the box during transit

Packing Paper

Guard items from scratches and stop food from sticking during manufacturing, shipping, and storing

Corrugated Sheets

Corrugated Sheets

Slide between pallets and stacked items to protect them from damage or reinforce the bottom of boxes

Packing Peanut Dispensers

Packing Peanut Dispensers

Guide packing peanuts into shipping containers

Packing Peanuts

Packing Peanuts

Loosely fill the space around items in boxes to reduce shifting and impact during transit

Foam Wrap

Cushion items with less bulk than bubble wrap to protect them while shipping and storing

Shipping Air Bags

Shipping Air Bags

Inflate and place between items to cushion them and keep them from tipping and shifting in transit

Bubble Wrap

Air bubbles cushion fragile items better than foam to protect them while shipping and storing

Shipping Box Liners

Shipping Box Liners

Line cardboard boxes to keep the items inside at a consistent temperature

Protective Shipping Box Inserts

Protective Shipping Box Inserts

Fit snugly around glass bottles to absorb shock better than bubble wrap and air pillows

Electrical

Circuit Breaker Box Filler Plates

Circuit Breaker Box Filler Plates

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

Thermal Interface Material

Thermal Interface Material

Dissipate heat away from electronic components

Battery Filler Gun Couplers

Battery Filler Gun Couplers

Replace the coupler on your battery filler gun to connect to a garden hose

Battery Filler Nozzles

Battery Filler Nozzles

Replace the nozzle on your battery filler

Battery Fillers

Battery Fillers

Add distilled water to wet-cell lead acid batteries to maintain their performance

Battery Filler Cart Replacement Parts

Battery Filler Cart Replacement Parts

Replace chargers, hoses, switch panels, and valves on battery filler carts

Battery Filler Guns

Battery Filler Guns

Fasten to a battery filler or hose to fill wet-cell lead acid batteries in hard-to-reach places

Batteries

Household, button/coin cell, large-cell, and cordless tool batteries

Battery Vent Caps

Battery Vent Caps

Flip open to check water levels and fill wet-cell batteries

Heating, Ventilation, and Air Conditioning

Spray Foam Insulation

Spray Foam Insulation

Expands to fill in cracks, gaps, and other hollow spaces for a tight seal against drafts and heat

Thermal Insulation Sheets

Thermal Insulation Sheets

Line the walls of furnaces, freezers, ductwork, and buildings to keep heat in or out

Pipe Insulation

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

Insulation Fill

Insulation Fill

Blow into walls to fill gaps in existing insulation, or mix as a filler in insulating cement

Containers, Storage, and Furniture

Pipette Pumps

Use with a pipette to comfortably draw and dispense exact quantities with one hand

Bulk Dispensers

Bulk Dispensers

Quickly dispense large amounts of material

Drywall Compound Pans

Drywall Compound Pans

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

Concrete Mixing Boxes

Concrete Mixing Boxes

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

Tank Patches

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

Well Plate Fillers

Well Plate Fillers

Fill and dispense 96 wells all at once

Fabricating and Machining

Drywall Knives

Smoothly spread drywall compounds and also scrape off paint and debris

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