Plastic Hollow Bars | McMaster-Carr

This nylon stays lubricated over time because it’s filled with oil. Use it to fabricate parts for hard-to-reach places where adding lubricants would be difficult.

Heat-Stabilized Easy-to-Machine
Wear-Resistant Cast Nylon Tubes

A good choice for making sprockets and pulleys, these cast nylon 6 tubes withstand higher temperatures and are easier to machine than standard nylon 6/6 tubes.

MDS-Filled Easy-to-Machine
Wear-Resistant Cast Nylon Tubes

The addition of MDS gives these tubes exceptional wear resistance along with a self-lubricating surface. They're made of cast nylon 6, making them easier to machine and better electrical insulators than other MDS-filled nylon tubes.

Slippery UHMW Polyethylene Tubes

In addition to a low-friction surface that prevents sticking and binding, this tough material is impact and wear resistant to handle the scuffs, scrapes, and strikes that other plastics can’t.

Wear-Resistant Easy-to-Machine
Delrin® Acetal Resin Tubes

Delrin® acetal resin, also known as acetal homopolymer, is stronger and stiffer than acetal copolymer.

Slippery Wear-Resistant Easy-to-Machine
Delrin® Acetal AF Resin Tubes

The addition of PTFE provides a more slippery, wear-resistant surface than standard Delrin® acetal resin. It’s commonly fabricated into pump components, gears, and bearings.

Wear-Resistant Easy-to-Machine Acetal Tubes

An economical alternative to Delrin® acetal resin, this acetal copolymer offers similar wear resistance.

Impact-Resistant Easy-to-Form ABS Tubes

Because ABS maintains its toughness even after thermoforming, it’s often made into storage cases, tote trays, equipment housings, and protective gear.

Polypropylene Tubes

Because this polypropylene resists swelling when exposed to water, it’s often fabricated into containers and parts for laboratory equipment.

Chemical-Resistant Slippery PTFE Tubes

Known for its naturally slippery surface, PTFE surpasses most plastics when it comes to chemical resistance and performance in extreme temperatures.

Durable Glass-Filled Chemical-Resistant
Slippery PTFE Tubes

This glass-filled PTFE is more rigid than standard PTFE for increased durability in high-stress applications.

Wear- and Chemical-Resistant PEEK Tubes

Not only does PEEK provide superior wear resistance in repetitive processes, it is also resists wear caused by abrasion. PEEK can be used as a lightweight substitute for metal parts in chemical-processing applications.

Clear Plastic

Clear Scratch- and UV-Resistant Acrylic Tubes

This extruded acrylic offers similar performance as cast acrylic at a lower cost.

Clear Scratch- and UV-Resistant Cast Acrylic Tubes

Cast acrylic is easier to machine than extruded acrylic. It's comparable to Lucite and Plexiglas® Acrylic.

Clear Impact-Resistant Polycarbonate Tubes

At only half the weight of glass, polycarbonate maintains excellent impact resistance across a wide temperature range. It's comparable to Lexan, Hyzod, Tuffak, and Makrolon.

Clear Easy-to-Form PETG Tubes

PETG can be formed into complex shapes without sacrificing durability.

Clear Cellulose Tubes

Widely used as shipping tubes, this cellulose is also known as butyrate.

Garolite

Multipurpose Flame-Retardant
Garolite G-10/FR4 Rectangular Tubes

These rectangular tubes are flame retardant, machinable, and electrically insulating.

Multipurpose Flame-Retardant
Garolite G-10/FR4 Tubes

A good all-around choice, Garolite G-10/FR4 is strong, machinable, and electrically insulating. It meets UL 94 V-0 for flame retardance.

Ultra-Low-Temperature Garolite G-10 CR Tubes

Rated for temperatures down to -450° F, this Garolite G-10 CR performs better in cryogenic applications than other glass epoxies.

Economical Electrical-Insulating Garolite XX Tubes

Stronger than Garolite CE with better electrical-insulating properties, Garolite XX is often fabricated into low-cost electrical components.

Easy-to-Machine Garolite LE Rectangular Tubes

Easily turn these rectangular tubes into parts for transformers and switchgears using high-speed tooling.

Easy-to-Machine Garolite LE Tubes

Using nothing more than standard high-speed steel tooling, Garolite LE can be machined into intricate parts.

Halogen-Free Garolite G-10 Tubes

Use Garolite G-10 in place of Garolite G-10/FR4 for applications that are sensitive to halogen, such as in nuclear plants. It's strong, machinable, and electrically insulating.

Ultra-High-Temperature
Impact-Resistant Garolite Tubes

Used in turbine bearings, downpipe gaskets, and other machinery, these Garolite tubes withstand heavy impacts and temperatures as high as 500° F.

Economical Garolite CE Tubes

Garolite CE is often fabricated into parts where high strength is not required.

Electrical-Insulating Garolite XXX Rectangular Tubes

Commonly used in transformers and switch gear cans on electrical poles, these rectangular tubes are more electrically insulating than Garolite XX.

Ultra-Strength Lightweight Carbon Fiber

Ultra-Strength Lightweight Carbon Fiber Round Tubes

The strongest composite we offer, carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.

Ultra-Strength Lightweight Carbon Fiber Square Tubes

The strongest composite we offer, carbon fiber is comparable in strength to 6061 aluminum yet lighter in weight.

Telescoping Ultra-Strength Lightweight
Carbon Fiber Hexagonal Tubes

These tubes are stiff and have tensile strength comparable to aluminum—but are still lightweight—and can be placed inside one another to create an adjustable-length tube that resists twisting.

Rigid Ultra-Strength Lightweight
Carbon Fiber Round Tubes

Over twice as stiff as aluminum, these high modulus carbon fiber tubes resist bending. They’re often used in instrumentation and other precision applications that require a rigid, high-strength, lightweight material.

Fiberglass

Structural FRP Fiberglass Square Tubes

An alternative to wood in structural applications, FRP fiberglass is strong and lightweight.

Structural FRP Fiberglass Round Tubes

An alternative to wood in structural applications, FRP fiberglass is strong and lightweight.

Arc-Resistant GPO3 Fiberglass Square Tubes

Route and insulate wire using these square fiberglass tubes, which fit better along edges and around corners than round tubes.

Arc-Resistant GPO3 Fiberglass Round Tubes

Use these round GPO3 fiberglass tubes for electrical applications in humid environments.

Wear-Resistant Kevlar Tubes

Kevlar is a super-tough material that stands up to wear and abrasion.

Easy-to-Machine Hard Fiber Tubes

Hard fiber is the easiest composite to machine, making it good for creating custom parts. Also known as vulcanized fiber.

Abrasion-Resistant Polyurethane Rubber Tubes

Use these tubes as jackets, seals, and insulation in areas where rubbing and scraping could cause wear on rubber. They are made of polyurethane, which combines the shock-absorbing qualities of rubber with the tear resistance of plastic.

Multipurpose Blended Neoprene Foam Tubes

Neoprene is blended with EPDM and polyethylene for foam tubes that offer good resistance to water, sunlight, and oxidation.