Composite Bars | McMaster-Carr

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15,127 Products

Raw Materials

Plastic

A lightweight alternative to metal and glass

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

Carbon Fiber

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

Fiberglass

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

Graphite

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

Aluminum

Lightweight, easy to machine, and corrosion resistant in wet environments

Wood

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

Bronze

With better wear resistance than copper and brass, it’s used for bearings, gears, and pump parts

Kevlar

Super tough for protection against prolonged wear and abrasion

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

Carbon

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

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Locking-Slotted Framing and Fittings

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

Ceiling Grids

Support ceiling tiles in drop ceilings

Ceiling Tile Clips

Ceiling Tile Clips

Secure ceiling tiles or connect ceiling tile frame components

Fluid Handling

Pipe and Pipe Fittings

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

Sealing

Backer Rods

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

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

Electrical

Static Control Cord

Static Control Cord

Stretch over conveyors, printing rolls, and chutes to remove static from objects; mount with magnets

Distribution Bars

Distribution Bars

Route electricity within switchboards and battery banks; also known as bus bars

Fabricating and Machining

Prototyping Foam

Prototyping Foam

Carve, mill, or sand into lightweight parts for testing

Magnetic Retrievers

Magnetic Retrievers

Pick up screws, nuts, and other small magnetic objects

Material Handling

E-Track Straps

Add to E-Tracks to keep cargo from shifting inside vans and trailers; also known as logistic straps

Communication

Bulletin Boards

Bulletin Boards

Pin up messages and announcements

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.)