321 Stainless Steel | McMaster-Carr

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Material

Stainless Steel

Thickness

0.008" to 0.02"

Length

Width

Shape

System of Measurement

Form

ID

Diameter

Thread Size

OD

Temper Rating

Backing Type

Material Thickness

DFARS Specialty Metals

Performance

Chemical Resistant

Corrosion Resistant

Finish-Your-Own

High Visibility

Precision Adjust

Rotation Resistant

RoHS

Compliant with Exemptions

Screw Size

Specifications Met

Fed. Spec. RR-W-410

Export Control Classification Number (ECCN)

REACH

Minimum Hardness

Tolerance Rating

Attachment Type

Ball with Shank

Reinforced Loop

Sold As

Threading

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3,458 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

Machine Keys

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

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

Hanger Bolts

Suspend pipe and other fixtures with wire or cable ties

Raw Materials

Stainless Steel

Stainless Steel

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

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

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

Lanyards

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

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.)