Carbon Steel Rounds | McMaster-Carr

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6,691 Products

Raw Materials

Steel

Strong, machinable, and weldable but lacks corrosion resistance

Power Transmission

Shafts

Transmit power, motion, and speed between machine components

Shaft Collars

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

Connecting Rods

Connecting Rods

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

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

Bearing Nuts

Hold bearings, bushings, pulleys, and gears in place on threaded shafts and spindles

Shaft Couplings

Shaft Couplings

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

Fastening and Joining

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

Spacers

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

Standoffs

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

Cotter Pins

Secure the ends of clevis pins and shafts to keep components in place

Facility and Grounds Maintenance

Rebar

Reinforces concrete to reduce the chance it will crack from expansion and contraction

Measuring and Inspecting

Plug Gauges

Verify the diameter or threads of machined holes in finished parts; also called pin gauges

Fabricating and Machining

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Router Bits

Attach to routers and CNC machines to cut grooves, chamfers, and other detailed shapes

Dies

Cut or restore external threads on fasteners, pipe, or conduit

Reamers

Finish holes to an exact size, correct misaligned holes, and remove burrs

Building and Machinery Hardware

Knobs

Position, tighten, and secure fixtures and equipment

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

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