Hollow Bars | McMaster-Carr

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Shape

Rectangular Tube

System of Measurement

OD

ID

Wall Thickness

Length

Material

Grade 9 Titanium

Outside Width

Outside Height

Fabrication

Stress Relieved

Diameter

Performance

Bearing Quality

Chemical Resistant

Corrosion Resistant

Crack Resistant

Easy Thermoform

Electrically Insulating

Fatigue Resistant

Flame Retardant

Hardness Rating

RoHS

Compliant with Exemptions

Specifications Met

Hardness

Durometer 50D to Durometer 55D

REACH

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

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Tolerance Rating

Yield Strength

Less than 20,000 psi

20,000 psi to 29,999 psi

30,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Inside Width

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

Color

Appearance

How can we improve?

3,906 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

Bronze

Better wear resistance than copper and brass—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

Carbon Fiber

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

Rubber

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

Glass

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

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

Foam

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

Fiberglass

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

Copper

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

Ceramic

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

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

Hard Fiber

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

Building and Machinery Hardware

Flush-Fit Framing Rails

Flush-Fit Framing Rails

Join flush-fit framing rails to build smooth stair and platform railings

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

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

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

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

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Slip-On Framing and Fittings

Slip-On Framing and Fittings

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

Power Transmission

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

Lighting

Light Pipes

Concentrate and direct light from the bulb on a circuit board to a display

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