Hollow Bars | McMaster-Carr

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Shape

Rectangular Tube

System of Measurement

OD

ID

Wall Thickness

Material

Grade 9 Titanium

Length

Outside Width

Outside Height

Diameter

Fabrication

Stress Relieved

Hardness Rating

Inside Width

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Outside Corner Shape

DFARS Specialty Metals

Color

Specifications Met

Performance

Chemical Resistant

Corrosion Resistant

Easy Thermoform

Electrically Insulating

High Temperature

Impact Resistant

Moisture Resistant

Thermally Stable

Hardness

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

Appearance

Inside Height

How can we improve?

3,641 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

Glass

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

Foam

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

Carbon Fiber

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

Garolite

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

Rubber

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

Copper

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

Mica

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

Fiberglass

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

Kevlar

Super tough for protection against prolonged wear and abrasion

Titanium

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

Ceramic

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

Hard Fiber

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

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

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

Weld-Together Framing and Fittings

Weld-Together Framing and Fittings

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

Slip-On Framing and Fittings

Slip-On Framing and Fittings

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

Flush-Fit Framing Rails

Flush-Fit Framing Rails

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

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.)