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

Diameter

Thread Size

OD

Temper Rating

Screw Size

Material Thickness

Performance

Chemical Resistant

Corrosion Resistant

Create-Your-Own

Finish-Your-Own

High Temperature

High Visibility

Precision Adjust

Rotation Resistant

DFARS Specialty Metals

Sold As

Export Control Classification Number (ECCN)

Minimum Hardness

RoHS

Compliant with Exemptions

REACH

Number of Pieces

Tolerance Rating

Specifications Met

Fed. Spec. RR-W-410

Hardness

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3,785 Products

Shim Stock

Shim Stock

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

Shim Stock Assortments

Shim Stock Assortments

Keep multiple thicknesses of shim stock on hand so you always have the right one

Tape-Style Shim Stock

Tape-Style Shim Stock

Unroll to your desired length, cut into custom shapes, and stick in place

Peel-Away Multilayer Shim Stock

Peel-Away Multilayer Shim Stock

Peel off the layers until you reach your desired thickness

Adhesive-Back Shim Stock

Adhesive-Back Shim Stock

Stick with confidence—a durable adhesive keeps this shim stock from sliding out of place

Other Products

Machine Key Stock

Machine Key Stock

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

Stainless Steel

Stainless Steel

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

Shims

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

Tubing

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

Washers

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

Wire Rope

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

Machine Keys

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

Lanyards

Pull, hang, tie down, and tether objects with the attached fittings

Threaded Rods

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

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.)