321 Stainless Steel | McMaster-Carr

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Material

Stainless Steel

System of Measurement

Thickness

0.008" to 0.02"

Length

Width

Form

Shape

ID

Backing Type

OD

Thread Size

Performance

Chemical Resistant

Corrosion Resistant

Finish-Your-Own

High Temperature

High Visibility

Precision Adjust

Rotation Resistant

Temper Rating

Screw Size

Number of Pieces

DFARS Specialty Metals

Material Thickness

Sold As

Export Control Classification Number (ECCN)

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

RoHS

Compliant with Exemptions

REACH

Hardness

Specifications Met

Magnetic Properties

May Be Mildly Magnetic

How can we improve?

3,250 Products

Fastening and Joining

Shim Stock

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

Shims

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

Machine Key Stock

Machine Key Stock

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

Washers

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

Threaded Rods

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

Machine Keys

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

Raw Materials

Stainless Steel

Stainless Steel

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

Fluid Handling

Tubing

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

Material Handling

Wire Rope

Lift, hang, and connect objects; more abrasion resistant than rope and lighter weight than chain

Building and Machinery Hardware

Bolt-Together Framing and Fittings

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

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