Aluminum Rounds | McMaster-Carr

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6,383 Products

Raw Materials

Aluminum

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

Bronze

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

Fastening and Joining

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Cap Nuts

Cover and protect threads while adding a finished look; also known as acorn nuts

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Lock Washers

Resist vibration to prevent fasteners from loosening

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Finishing Washers

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

Plain Bearings

With no moving parts, the simplest type of bearing

Turntable Bearings

Turntable Bearings

Support machinery that slowly turns or oscillates, such as a rotating hoist

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Shaft Couplings

Shaft Couplings

Connect two shafts to transfer rotary motion from one to the other

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

Chain and Belt Pulleys

Chain and Belt Pulleys

Pair with a compatible belt to transfer motion from a rotating shaft

Building and Machinery Hardware

Protective Caps

Protective Caps

Cover holes at the end of pipe, conduit, and fittings to keep out debris

Turntables

Rotate to reposition machinery and equipment

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Knobs

Position, tighten, and secure fixtures and equipment

Hand Wheels

Rotate to adjust machinery, valves, drill presses, and other equipment

Chain Wheels

Add a pull chain to operate overhead doors, hatches, and valves

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Ball Knobs

Provide grip on control levers and push-pull rods

Fluid Handling

Corrosion-Inhibiting Rods and Pads

Corrosion-Inhibiting Rods and Pads

Protect tanks, water heaters, and heat exchangers from rust; also known as sacrificial anodes

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Sights

Observe and monitor the contents of pipes, tanks, and other containers

Fabricating and Machining

Chisel Bits

Pair with powered hammers or needle scalers to chip material off of workpieces

Electrical

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

Lightning Rods

Attract lightning strikes to safely redirect them from the tops of buildings to the ground

Outlet Box Extenders

Outlet Box Extenders

Add depth to an outlet box when there’s not enough space for components

Outlet Box Covers

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Material Handling

Pulleys

Mount or suspend to guide wire rope for lifting and pulling loads

Drum Dollies

Instead of tilting heavy loads on drum trucks, roll drums upright to where you need them

Communication

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

Tags

Hang throughout facilities to convey information

Signs

Everything from accident prevention to traffic control to exit signs

Labels

Stick onto items to identify or convey information about them

Message Plates

Fasten to doors, walls, and plate holders to identify locations and objects

Sealing

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

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