Bar Stock | McMaster-Carr

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System of Measurement

Thickness

Width

Length

Material

Cotton Flannel Felt

Diameter

Tolerance Rating

Fabrication

OD

Steel Grade

1005-1026 Low-Carbon Steel

1006 Low-Carbon Steel

1006-1008 Low-Carbon Steel

1006-1026 Low-Carbon Steel

1008 Low-Carbon Steel

1008-1010 Low-Carbon Steel

1009 Low-Carbon Steel

1010 Low-Carbon Steel

1010-1018 Low-Carbon Steel

1018 Low-Carbon Steel

1020 Low-Carbon Steel

1026 Low-Carbon Steel

1045 Carbon Steel

A36 Low-Carbon Steel

A500 Low-Carbon Steel

Hardness Rating

Wall Thickness

Outside Width

Specifications Met

CPSC Compliant 16 CFR 1201 Category I and II

Federal Specification

NACE MR0175/ISO 15156

OSHA Compliant 29 CFR 1926.701

State of California Standard

U.S. Congressional Act

Color

Fluorescent Amber

Fluorescent Blue

Fluorescent Green

Fluorescent Red

Appearance

Outside Height

ID

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

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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46,263 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

Copper

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

Brass

More machinable than copper and bronze—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

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

Nickel

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

Rubber

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

Tungsten

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

Foam

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

Zinc

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

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

Glass

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

Lead

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

Wood

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

Wax

Create seals and prototypes, lubricate tools, and polish equipment

Aramid

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

Graphite

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

Mica

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

Felt

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

Hard Fiber

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

Tin

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

Gold

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

Molybdenum

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

Cobalt

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

Platinum

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

Kevlar

Super tough for protection against prolonged wear and abrasion

Carbon

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

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

Fastening and Joining

Machine Key Stock

Machine Key Stock

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

Machine Keys

Transmit torque from rotating shafts to gears, sprockets, and other machine parts

Set Screws

Exert pressure at the tip to hold parts in place, unlike screws that hold material together with threads

Solder

Join pieces of metal without melting the base material

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

Gear Stock

Machine your own gears to an exact face width and shaft diameter

Chain and Belt Pulley Stock

Chain and Belt Pulley Stock

Machine your own timing belt pulleys to fit an exact width and shaft diameter

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

Dovetail Blanks

Dovetail Blanks

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

Lathe Tool Blanks

Lathe Tool Blanks

Machine custom lathe tool bits

Sealing

Backer Rods

Insert into gaps before caulking to reduce how much sealant you need and improve adhesion

Building and Machinery Hardware

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

Permanently join rails and fittings to assemble heavy duty racks, shelving, and work tables

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

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

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