Flat Bars | McMaster-Carr

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Thickness

Width

Length

Shape

Rectangular Tube

Material

Cotton Flannel Felt

System of Measurement

Fabrication

Tolerance Rating

Appearance

Outside Width

Hardness Rating

Steel Grade

1005-1026 Low-Carbon Steel

1006 Low-Carbon Steel

1006-1026 Low-Carbon Steel

1008 Low-Carbon Steel

1008-1010 Low-Carbon Steel

1010 Low-Carbon Steel

1010-1018 Low-Carbon Steel

1018 Low-Carbon Steel

A36 Low-Carbon Steel

A500 Low-Carbon Steel

A513 Low-Carbon Steel

Wall Thickness

Outside Height

Specifications Met

CARB Compliant 17 CCR 93120

CPSC Compliant 16 CFR 1201 Category I and II

Federal Specification

Color

Fluorescent Amber

Fluorescent Blue

Fluorescent Green

Fluorescent Red

Mechanical Finish

Precision Ground

Hardness

Certificate Type

Material Certificate with Traceable Lot Number

Material Certificate with Traceable Lot Number and Cure Date

Material Certificate with Traceable Lot Number and Test Report

RoHS

Compliant with Exemptions

REACH

Backing Type

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Maximum Temperature

Less than 500° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F to 2,999° F

3,000° F or greater

Performance

Chemical Resistant

Corrosion Resistant

Easy Thermoform

Electrically Insulating

Erosion Resistant

Flame Resistant

High Temperature

Impact Resistant

How can we improve?

28,067 Products

Raw Materials

Steel

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

Stainless Steel

Stainless Steel

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

Aluminum

Lightweight, easy to machine, and corrosion resistant—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

Copper

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

Bronze

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

Garolite

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

Foam

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

Glass

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

Tungsten

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

Titanium

The most corrosion-resistant metal we offer—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

Nickel

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

Ceramic

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

Carbon Fiber

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

Wood

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

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

Kevlar

Super tough for protection against prolonged wear and abrasion

Zinc

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

Graphite

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

Carbon

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

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

Platinum

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

Cobalt

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

Mica

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

Tin

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

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

Niobium

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

Fabricating and Machining

Pry Bars

Slide under heavy objects to pry, lift, and position them

Dovetail Blanks

Dovetail Blanks

Machine a blank workpiece with precut dovetails and locating slots for easy setup

Multitools

A variety of tools and blades all in one

Fluid Handling

Sintered Filters

Sintered Filters

Tiny holes let particles such as air, gas, and vapor pass through while trapping contaminants

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