Stainless Steel Washers | McMaster-Carr

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Material

Silicon Carbide

Stainless Steel

Screen Material

304 Stainless Steel

Stainless Steel

System of Measurement

Screw Size

OD

Washer Type

ID

Thickness

0.005" to 0.024"

0.008" to 0.02"

Finish

Washer Designation

General Purpose

Performance

Adjustable Flow

Adjustable Length

Aggressive Cleaning

Chemical Resistant

Corrosion Resistant

Create-Your-Own

Electrically Insulating

Finish-Your-Own

High Efficiency

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Body Material

Stainless Steel

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

Export Control Classification Number (ECCN)

Handle Material

Stainless Steel

Bristle Material

Stainless Steel

Washer Material

410 Stainless Steel

Silicon Carbide

Flange Material

316 Stainless Steel

Spring Material

Stainless Steel

Housing Material

Stainless Steel

Ball Material

440C Stainless Steel

Tip Material

Stainless Steel

Specifications Met

Federal Specification

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9,733 Products

Washers

General Purpose Washers

General Purpose Washers

Your go-to metal washer for every screw size

Mil. Spec. Washers

Mil. Spec. Washers

Adhere to U.S. military standards for material and construction

Oversized Washers

Oversized Washers

Exaggerated diameters and thicknesses to cover large holes or to create gaps

ASME Washers

Meet ASME standards and come in regular, narrow, and wide diameters

SAE Washers

Meet SAE sizing standards and typically have smaller diameters than USS washers

Undersized Washers

Undersized Washers

Pair with fasteners that have narrow heads, such as cheese and socket head screws

USS Washers

Meet USS sizing standards and typically have larger diameters than SAE washers

Adhesive-Back Washers

Adhesive-Back Washers

Stick on your surface to prevent slipping while you fasten

Clipped Washers

Clipped Washers

Clipped on one side to fit in tight spots

Rectangular Washers

Rectangular Washers

Our narrowest washers to fit in thin channels, slots, and other tight spaces

Square Washers

Won't rotate as you fasten screws in slots and channels

Easy-Install Slotted Washers

Easy-Install Slotted Washers

Slip under nuts and screws without having to disassemble them

Washers for Square-Neck Bolts

Washers for Square-Neck Bolts

The square hole fits snugly around carriage, plow, and elevator bolts

Finish-Your-Own Washers

Finish-Your-Own Washers

Punch a hole to create a custom inner diameter for uncommon screw sizes

Double-Clipped Washers

Double-Clipped Washers

Squeeze into tighter spots than single-clipped washers

Reinforcing Sleeve Washers

Reinforcing Sleeve Washers

Keep soft materials from collapsing into the hole

Washers for Blind Rivets

Washers for Blind Rivets

Sized to fit around blind rivet diameters

General Purpose Washer Assortments

General Purpose Washer Assortments

A collection of common washer sizes to fit the broadest range of applications

SAE Washer Assortments

SAE Washer Assortments

A range of sizes that meet SAE standards—typically have smaller diameters than USS washers

Oversized Washer Assortments

Oversized Washer Assortments

A collection of exaggerated sizes to cover large holes or to create gaps

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Shims

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

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Finishing Washers

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

Spacers

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

Disc Springs

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

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Magnets

Attract or repel metal objects to hang, secure, or position them

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Retaining Rings

Retaining Rings

Hold components on a shaft

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

Clamp Holding Washers

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Shoe Washing Stations

Shoe Washing Stations

Sanitize your shoes before entering a clean room or food processing plant

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Parts Baskets

Contain parts for cleaning and moving them in and out of washers

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Air Nozzles

Blow concentrated air for cleaning, drying, cooling, and ejecting parts

Blowguns

Direct a stream of air to clean equipment, parts, and spaces

Tube and Tube Fittings

Tube and Tube Fittings

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

Glassware Rinsers

Glassware Rinsers

Rinse the inside of glasses, tubes, or beakers with a simple press

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Tube Brushes

Remove contaminants from tubes, pipes, and holes

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Nozzle Tip Cleaners

Nozzle Tip Cleaners

Clear out residue from small openings, such as nozzles or torch tips

Air Nozzle Swivels

Air Nozzle Swivels

Adjust airflow angle when you can’t move the nozzle

Hand Washing Stations

Hand Washing Stations

Clean your hands in remote places like worksites or before entering sanitary environments

Ultrasonic Cleaners

Ultrasonic Cleaners

Sound waves agitate solution to remove contaminants from instruments, beakers, and other small parts

Air Knives

Create a sheet of high-velocity air that dries, cleans, and cools parts and equipment

Strainers

Install next to valves and pumps to catch debris in your line

Pressure Washers

Pressure Washers

Turn water from a garden hose into a high-pressure blast to power away tough dirt and grime

Wash Guns

Fasten to a hose to control water flow during washdowns

Scouring Pads

Scrub heavy grease and grime away better than sponges

Wash Gun Nozzle Extensions

Wash Gun Nozzle Extensions

Attach to your wash gun nozzle to clean places out of arm's reach

Cup and End Brushes

Cup and End Brushes

Attach to a power tool to clean flat, curved, and irregular surfaces

Pressure Washer Guns

Pressure Washer Guns

Control the flow of water sprayed from a pressure washer

Abrasive Hand Brushes

Abrasive Hand Brushes

Manually scrub to remove rust, stains, small burs, and other contaminants

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

Parts Washing Brushes

Parts Washing Brushes

Use alone or connect to a parts washer to apply solution and scrub away dirt, grease, and rust

Wheel Brushes

Bristles on the edge of the wheel clean, sand, and debur targeted areas

Scrub Brushes

Everyday scrub brushes, scrub brushes with a handle, and drill-operated scrub brushes

Squeegees

Wipe liquids off of windows, floors and other surfaces

Siphon Guns

Spray liquid and air at the same time to produce a mist of liquids or chemicals

Hand Brushes

Clean dust and chips off tables and workbenches

Submersible Pumps

Submersible Pumps

Circulate liquids in small tanks, cooling baths, and other low-flow applications

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