Raw Stock | McMaster-Carr

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Chromium Trioxide

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Fluorescent Amber

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Hardness

Performance

Abrasion Resistant

Bearing Quality

Chemical Resistant

Contaminant-Free

Corrosion Resistant

Maximum Temperature

Less than 1,000° F

1,000° F to 1,999° F

2,000° F to 2,999° F

3,000° F to 3,999° F

4,000° F or greater

Tolerance Rating

RoHS

Compliant with Exemptions

DFARS Specialty Metals

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

REACH

Export Control Classification Number (ECCN)

Backing Type

Minimum Temperature

-250° F or less

-249° F to -200° F

-199° F to -100° F

-99° F to -1° F

Greater than 0° F

Specifications Met

ACS Reagent Grade

CPSC Compliant 16 CFR 1201 Category I and II

Federal Specification

IMO FTP Code Part 1

NACE MR0175/ISO 15156

State of California Standard

U.S. Congressional Act

Fabrication

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Texture

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48,704 Products

Raw Materials

Steel

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

Aluminum

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

Stainless Steel

Stainless Steel

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

Plastic

A lightweight alternative to metal and glass

Brass

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

Garolite

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

Copper

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

Kerosene

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

Hexane

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

Charcoal

Typically used to purify air and water

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

Nitric Acid

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

Acetone

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

Deionized Water

Deionized Water

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

Denatured Ethyl Alcohol

Denatured Ethyl Alcohol

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

Sodium Carbonate

Sodium Carbonate

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

Aluminum Oxide

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

Naphtha

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

Citric Acid

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

Propylene Glycol

Propylene Glycol

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

Heptane

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

Fumed Silica

Commonly used as a thickener, desiccant, and mild abrasive

Ethyl Acetate

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

Diatomaceous Earth

Diatomaceous Earth

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

Xylene

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

Toluene

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

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

Molybdenum Disulfide

Molybdenum Disulfide

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

Ethylene Glycol

Ethylene Glycol

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

Triethanolamine

Triethanolamine

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

White Vinegar

Often used as a disinfectant, base neutralizer, and herbicide

Boric Acid

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

Glycerin

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

Calcium Chloride

Calcium Chloride

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

Tungsten

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

Mineral Spirits

Mineral Spirits

A low-odor alternative to paint thinners and cleaners

Sodium Chloride

Sodium Chloride

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

Calcium Carbonate

Calcium Carbonate

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

Sodium Borate

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

Sulfur

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

Aluminum Sulfate

Aluminum Sulfate

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

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

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

Sodium Bicarbonate

Sodium Bicarbonate

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

Methyl Ethyl Ketone

Methyl Ethyl Ketone

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

Pumice

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

Methanol

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

Foam

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

Bronze

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

Fiberglass

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

Rubber

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

Argon Gas

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

Propylene

Produce a hotter flame than propane for better performance in brazing applications

Butane

Burns cleaner than propane at similar temperatures; use for heating, thawing, and soldering

Oxygen

Use alongside other fuels to increase flame temperature

Hard Fiber

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

Felt

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

Propane

Fuel heating, thawing, and soldering applications

Nitrogen Gas

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

Carbon Dioxide Gas

Carbon Dioxide Gas

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

Helium Gas

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

Carbon Fiber

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

Ceramic

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

Wood

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

Glass

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

Titanium

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

Zinc

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

Kevlar

Super tough for protection against prolonged wear and abrasion

Mica

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

Fabric

Use to cover, clean, and insulate objects

Resin Fillers

Add to epoxy, urethane, and polyester resins to reduce weight and shrinkage

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

Wax

Create seals and prototypes, lubricate tools, and polish equipment

Aramid

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

Carbon

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

Graphite

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

Cobalt

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

Leather

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

Lead

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

Nickel

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

Gold

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

Platinum

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

Molybdenum

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

Tantalum

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

Additives and Fillers

Additives and Fillers

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

Pigments and Dyes

Pigments and Dyes

Add color to liquids, mixtures, and materials

Niobium

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

Fabricating and Machining

Casting Metals

Melt and pour into molds to make metal parts and prototypes

Prototyping Foam

Prototyping Foam

Carve, mill, or sand into lightweight parts for testing

Casting Compounds

Casting Compounds

Mix and pour into molds to capture intricate detail when casting parts, linings, and prototypes

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

Sealing

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Cord Stock

Cut to length to create customized seals

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

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