Metric Steel | McMaster-Carr

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System of Measurement

Shape

Diameter

Length

Material

Width

Thickness

Tolerance Rating

Mechanical Finish

Hardness Rating

Steel Grade

1008-1010 Low-Carbon Steel

1010 Low-Carbon Steel

1018 Low-Carbon Steel

Hardness

End Type

Fabrication

Thread Size

Appearance

Heat Treatment

Performance

Wall Thickness

RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

7,581 Products

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

615 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

238 products

Power Transmission

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion

358 products

Rotary Shafts

Pair with gears, sprockets, and bearings to transmit rotary motion

324 products

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

389 products

Compression Springs

When squeezed, springs push back to their original length

1,012 products

Extension Springs

When stretched, springs pull their ends back together

338 products

Die Springs

Support heavy loads with minimal compression in high-impact jobs such as punching and stamping

120 products

Fastening and Joining

Machine Key Stock

Cut a custom length to transfer torque from shafts to components such as gears and sprockets

266 products

Machine Keys

Transmit torque from rotating shafts to gears, sprockets, and other machine parts

595 products

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

751 products

Shim Stock

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

20 products

Threaded Rods

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

1,123 products

Washers

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

38 products

Building and Machinery Hardware

Strut Channel Routing Clamps

Route pipe, tubing, and conduit across strut channel

446 products

Strut Channel Nuts

Fasten on threaded rod to connect components to strut channel

41 products

Strut Channel Washers

Pair with hex nuts to connect threaded rod to strut channel

23 products

Fabricating and Machining

Drill Bushings

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

736 products

Slotted Bushings

Pair with a standard bushing to prevent alignment pins from binding in your fixture

7 products

Fluid Handling

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

141 products