Materials | McMaster-Carr

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44,390 Products

Raw Materials

Steel

Strong, machinable, and weldable but lacks corrosion resistance

Aluminum

Lightweight, easy to machine, and corrosion resistant in wet environments

Plastic

A lightweight alternative to metal and glass

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Nickel

An upgrade from stainless steel that withstands harsh chemicals and acids at high temperatures

Brass

More machinable than copper and bronze for making nuts, hinges, and locks

Foam

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

Bronze

With better wear resistance than copper and brass, it’s used for bearings, gears, and pump parts

Diatomaceous Earth

Diatomaceous Earth

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

Kerosene

Often used to fuel small heaters and lanterns, prevent rust, and lubricate parts

Aluminum Oxide

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

Methylene Chloride

Methylene Chloride

Commonly used in paint strippers, degreasers, and chemicals for welding plastic

Boric Acid

Commonly used for cleaning, preventing rot in wet locations, flame retardance, and oil lubricity

Toluene

Often used in paint thinners and as a solvent in metal cleaners and adhesives

Molybdenum Disulfide

Molybdenum Disulfide

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

Heptane

Often used as a cleaner, fuel, and thinner for rubber cement

Fumed Silica

Commonly used as a thickener, desiccant, and mild abrasive

Sodium Chloride

Sodium Chloride

Commonly mixed in water to cool heat-treated metal as well as used to melt ice; also known as salt

Hexane

Commonly used as a degreaser and cleaner as well as in paint thinners and glues

Charcoal

Typically used to purify air and water

Sodium Bicarbonate

Sodium Bicarbonate

Often used in detergents and as an abrasive blasting media; also called baking soda

Triethanolamine

Triethanolamine

Often mixed into polishes and metal working fluids as well as used to neutralize acids

Nitric Acid

Often used to clean electronics, etch metal, treat wood, and pickle and passivate stainless steel

Aluminum Sulfate

Aluminum Sulfate

Commonly used as a coagulant to separate dirt and other solids from liquid

Ethyl Acetate

Often used as a solvent and as an ingredient in paint hardeners and circuit board cleaners

White Vinegar

Often used as a disinfectant, base neutralizer, and herbicide

Sodium Carbonate

Sodium Carbonate

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

Citric Acid

Often used as an active ingredient in disinfectants and to restore damaged stainless steel surfaces

Deionized Water

Deionized Water

Often used to dilute solutions without introducing an electric charge; purer than distilled water

Distilled Water

Distilled Water

Often used to fill humidifiers and wet-cell lead acid batteries without adding harmful impurities

Isopropyl Alcohol

Isopropyl Alcohol

Typically used as a disinfectant, solvent, and oil stabilizer

Denatured Ethyl Alcohol

Denatured Ethyl Alcohol

Typically used as a fuel, antifreeze, disinfectant, and solvent for varnishes

Mineral Spirits

Mineral Spirits

A low-odor alternative to paint thinners and cleaners

Calcium Carbonate

Calcium Carbonate

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

Methanol

Typically used as a solvent in lacquers, varnishes, and shellacs

Acetone

Often used to thin and remove adhesives from metal parts; faster drying than methyl ethyl ketone

Naphtha

Thin and clean up paint, stains, and varnishes; faster drying and more powerful than mineral spirits

Xylene

Thin and clean up anti-rust paint, lacquers, varnishes, and adhesives

Glycerin

Commonly used as an antifreeze, solvent, plasticizer, moistening agent, and pressure gauge fluid

Sulfur

Typically used in lubricants and coolants; also known as commercial flour

Bentonite

Often used to increase the plasticity of ceramics and purify water

Magnesium Sulfate

Magnesium Sulfate

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

Methyl Ethyl Ketone

Methyl Ethyl Ketone

Often used as a thinner for resins, adhesives, fiberglass, and lacquers

Mineral Oil

Often used to lubricate and prevent rust on parts and machinery as well as maintain workbench tops

Corn Starch

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

Propylene Glycol

Propylene Glycol

Often used in heat exchangers, liquid chillers, and water treatment

Ethylene Glycol

Ethylene Glycol

Typically used as a coolant, paint thinner, and solvent for coatings

Calcium Chloride

Calcium Chloride

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

Sodium Borate

Typically used as a detergent and mixed into ceramic glaze and soldering flux; also known as borax

Hydrated Lime

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

Copper Sulfate

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

Sodium Silicate

Sodium Silicate

Typically used in adhesives, detergents, corrosion inhibitors, and wire insulation

Pumice

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

Copper

The most conductive of our metals, it excels in all types of electrical applications

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Fabric

Use to cover, clean, and insulate objects

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

Tungsten

Our densest metal resists wear and heat to make end mills, heat shields, electrodes, and more

Wax

Create seals and prototypes, lubricate tools, and polish equipment

Pigments and Dyes

Pigments and Dyes

Add color to liquids, mixtures, and materials

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

Felt

Thicker and more absorbent than fabric for insulating, polishing, cushioning, and gasketing

Additives and Fillers

Additives and Fillers

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

Titanium

The most corrosion-resistant metal we offer, with very high strength relative to its weight

Mica

An electrical insulator that resists high temperatures; use in circuit breakers and heating elements

Graphite

Compressible or conductive for making high-temperature seals, furnace parts, and crucibles

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

Kevlar

Super tough for protection against prolonged wear and abrasion

Aramid

Strong, lightweight, and an excellent thermal insulator; also known as Nomex

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

Gold

Softer than copper and nearly as conductive, form it into electronic components that won't corrode

Leather

Durable and long lasting; often used for belting, lacing, and sealing applications

Platinum

Conductive and formable, it resists extreme heat for use in parts such as thermocouple probes

Molybdenum

Retains its shape and strength in extreme temperatures and conducts heat and electricity

Argon Gas

Often used to alter the conductivity of a semiconductor and calibrate gas detectors

Helium Gas

Often used to detect leaks in vacuum systems without creating a reaction and calibrate gas detectors

Carbon Dioxide Gas

Carbon Dioxide Gas

Typically used as a propellant in aerosol cans and to calibrate gas detectors

Nitrogen Gas

Often used to purge impurities from pipelines and other systems as well as test oxygen detectors

Cobalt

Slides against other materials without wearing and sticking; resists impact and rapid temperature changes

Tantalum

Conductive with a higher melting point than most metals, it’s often used in heating elements

Zinc

Draws corrosion away from nearby metal; an alternative to lead for sound barriers and vibration dampers

Tin

Soft and malleable for forming gaskets and filters; also mixes with other metals to make solder

Gallium

Transfers heat and electricity as a safe alternative to mercury in thermometers and thermostats

Carbon

An electrical conductor that’s often used in electronics and sensors

Niobium

Conductive, corrosion resistant, and strong, even at extremely high and low temperatures

Fabricating and Machining

Casting Metals

Melt and pour into molds to make metal parts and prototypes

3D Printer Filaments

3D Printer Filaments

Run through filament 3D printers to form plastic parts

3D Printer Powders

3D Printer Powders

Create metal or plastic parts from powder bed fusion (PBF) printing systems

3D Printer Resins

3D Printer Resins

Create parts from resin 3D printers with greater detail than filament 3D printers

Fastening and Joining

Shim Stock

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

Machine Key Stock

Machine Key Stock

Cut a custom length to transfer torque from shafts to components such as gears and sprockets

Heating, Ventilation, and Air Conditioning

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

Safety Equipment

Acoustic Insulation

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

Sound Barrier Sheets

Sound Barrier Sheets

Block and reflect noise to keep it from reaching other parts of your facility

Facility and Grounds Maintenance

Steel Hat Channel

Steel Hat Channel

Creates space for insulation inside walls and ceilings

Rebar

Reinforces concrete to reduce the chance it will crack from expansion and contraction

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

Fluid Handling

Filter Fabric

Fit into irregular shapes and take contaminants out of liquid

Electrical

Thermal Interface Material

Thermal Interface Material

Dissipate heat away from electronic components

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