Materials | McMaster-Carr

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CPSC Compliant 16 CFR 1201 Category I and II

DIN Standard

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NACE MR0175/ISO 15156

OSHA Compliant 29 CFR 1926.701

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DFARS Specialty Metals

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48,592 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

7,914 products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

5,606 products

Plastic

A lightweight alternative to metal and glass

9,079 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

5,232 products

Rubber

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

5,076 products

Diatomaceous Earth

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

1 product

Boric Acid

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

1 product

Aluminum Oxide

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

1 product

Kerosene

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

1 product

Molybdenum Disulfide

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

1 product

Toluene

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

1 product

Sodium Chloride

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

1 product

Hexane

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

1 product

Fumed Silica

Commonly used as a thickener, desiccant, and mild abrasive

1 product

Heptane

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

1 product

Aluminum Sulfate

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

1 product

Isopropyl Alcohol

Typically used as a disinfectant, solvent, and oil stabilizer

5 products

Charcoal

Typically used to purify air and water

3 products

Triethanolamine

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

1 product

Ethyl Acetate

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

1 product

Nitric Acid

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

10 products

Sodium Bicarbonate

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

4 products

Mineral Oil

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

8 products

White Vinegar

Often used as a disinfectant, base neutralizer, and herbicide

2 products

Sodium Carbonate

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

3 products

Calcium Chloride

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

2 products

Methyl Ethyl Ketone

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

2 products

Copper Sulfate

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

2 products

Sodium Silicate

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

2 products

Acetone

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

3 products

Xylene

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

3 products

Distilled Water

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

2 products

Mineral Spirits

A low-odor alternative to paint thinners and cleaners

3 products

Deionized Water

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

3 products

Naphtha

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

2 products

Citric Acid

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

2 products

Glycerin

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

3 products

Bentonite

Often used to increase the plasticity of ceramics and purify water

2 products

Pumice

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

2 products

Methanol

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

3 products

Denatured Ethyl Alcohol

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

3 products

Propylene Glycol

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

2 products

Sodium Borate

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

2 products

Hydrated Lime

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

2 products

Corn Starch

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

3 products

Ethylene Glycol

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

3 products

Calcium Carbonate

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

2 products

Sulfur

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

2 products

Magnesium Sulfate

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

2 products

Garolite

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

1,991 products

Nickel

An upgrade from stainless steel to withstand harsh chemicals and acids—all with material certificates for traceability

340 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

909 products

Foam

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

2,681 products

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

986 products

Wood

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

246 products

Bronze

Better wear resistance than copper and brass—all with material certificates for traceability

896 products

Tungsten

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

323 products

Ceramic

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

695 products

Fabric

Use to cover, clean, and insulate objects

207 products

Fiberglass

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

442 products

Glass

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

337 products

Carbon Fiber

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

318 products

Titanium

The most corrosion-resistant metal we offer—all with material certificates for traceability

215 products

Wax

Create seals and prototypes, lubricate tools, and polish equipment

48 products

Additives and Fillers

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

24 products

Pigments and Dyes

Add color to liquids, mixtures, and materials

28 products

Mica

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

57 products

Felt

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

910 products

Aramid

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

10 products

Hard Fiber

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

79 products

Gold

Form into electronic components that won't corrode—all with material certificates for traceability

4 products

Kevlar

Super tough for protection against prolonged wear and abrasion

11 products

Lead

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

115 products

Graphite

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

80 products

Leather

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

54 products

Nitrogen Gas

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

4 products

Argon Gas

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

4 products

Helium Gas

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

4 products

Carbon Dioxide Gas

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

4 products

Molybdenum

Retains its shape and strength in extreme temperatures—all with material certificates for traceability

57 products

Niobium

Conductive and corrosion resistant even at extreme temperatures—all with material certificates for traceability

14 products

Zinc

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

41 products

Platinum

Formable and conductive while resisting extreme heat—all with material certificates for traceability

22 products

Carbon

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

19 products

Tantalum

Conductive with a higher melting point than most metals—all with material certificates for traceability

23 products

Cobalt

Resists impact and rapid temperature changes—all with material certificates for traceability

8 products

Tin

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

10 products

Gallium

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

2 products

Fabricating and Machining

Casting Metals

Melt and pour into molds to make metal parts and prototypes

19 products

3D Printer Filaments

Run through filament 3D printers to form plastic parts

132 products

3D Printer Powders

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

5 products

3D Printer Resins

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

44 products

Fastening and Joining

Shim Stock

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

1,260 products

Machine Key Stock

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

824 products

Sealing

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

691 products

Cord Stock

Cut to length to create customized seals

295 products

Facility and Grounds Maintenance

Rebar

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

9 products

Rebar Caps

Brightly colored to alert workers to exposed rebar and pipe

4 products

Steel Hat Channel

Creates space for insulation inside walls and ceilings

2 products

Heating, Ventilation, and Air Conditioning

Insulation Sheets

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

18 products

Pipe Insulation

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

48 products

Building and Machinery Hardware

Acoustic Insulation

Absorb sound to quiet noisy areas and machines

6 products

Sound Barrier Sheets

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

5 products

Electrical Power, Networking, and Controlling

Thermal Interface Foil

Made of indium for more thermal conductivity than our other thermal interface materials

4 products

Fluid Handling

Filter Fabric

Fit into irregular shapes and take contaminants out of liquid

4 products