Sheet Squares | McMaster-Carr

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Compliant with Exemptions

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REACH

Compliant

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DFARS Specialty Metals

Compliant

Exempt

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

Yes

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Specifications Met

CARB Compliant 17 CCR 93120

CPSC Compliant 16 CFR 1201 Category I and II

For Use Outdoors

Tolerance Rating

Tensile Strength

Environment

Appearance

Flexibility

17,274 Products

Raw Materials

Plastic

A lightweight alternative to metal and glass

2,199 products

Aluminum

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

2,706 products

Steel

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

707 products

Rubber

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

5,317 products

Stainless Steel

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

2,478 products

Foam

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

992 products

Glass

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

71 products

Garolite

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

819 products

Ceramic

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

232 products

Fiberglass

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

165 products

Lead

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

63 products

Nickel

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

74 products

Copper

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

449 products

Brass

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

244 products

Aramid

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

10 products

Wood

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

15 products

Titanium

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

77 products

Carbon Fiber

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

73 products

Tin

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

8 products

Carbon

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

10 products

Hard Fiber

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

62 products

Bronze

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

212 products

Niobium

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

6 products

Graphite

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

18 products

Mica

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

145 products

Tungsten

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

10 products

Sealing

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

80 products

Electrical Power, Networking, and Controlling

Thermal Interface Pads

Soft and flexible, so they conform to rough surfaces and fill gaps between two surfaces

24 products

Fabricating and Machining

Prototyping Foam

Carve, mill, or sand into lightweight parts for testing

8 products