Metal Spring Washers | McMaster-Carr

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Abrasive Hand Brushes

Air Nozzle Swivels

Bearing Lock Washers

Captive Panel Screws

Clamp Holding Washers

Clothes Washers

Conduit and Fittings

Cross-Bracing Washers

Cup and End Brushes

Electrical Enclosure Fasteners

Electropolishers

Material

Silicon Carbide

Stainless Steel

System of Measurement

Screw Size

OD

ID

Thickness

0.005" to 0.024"

0.005" to 0.030"

0.008" to 0.02"

Finish

Chromate Conversion Coated

Corrosion-Resistant Coated

Nickel Chrome Plated

Phosphate Coated

Shaft Diameter

Performance

Adjustable Flow

Adjustable Length

Aggressive Cleaning

Chemical Resistant

Corrosion Resistant

Create-Your-Own

Crush Resistant

Electrical Insulating

Specifications Met

CSA C22.2 No. 68

NEBS GR-63-CORE

Washer Designation

General Purpose

Thread Size

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Length

Screen Material

304 Stainless Steel

Stainless Steel

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Hardness

Color

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

Height

Overall Height

Shape

Export Control Classification Number (ECCN)

How can we improve?

22,097 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 or thicknesses to cover large holes or to create gaps

SAE Washers

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

ASME Washers

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

USS Washers

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

Structural Washers

Structural Washers

Distribute pressure under structural screws and nuts in columns, joists, and I-beams

Undersized Washers

Undersized Washers

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

Clipped Washers

Clipped Washers

Clipped on one side to fit in tight spots

Square Washers

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

Adhesive-Back Washers

Adhesive-Back Washers

Stick on your surface to prevent slipping while you fasten

Tension-Indicating Structural Washers

Tension-Indicating Structural Washers

Change color when you apply the correct tension to prevent overtightening

Reinforcing Sleeve Washers

Reinforcing Sleeve Washers

Keep soft materials from collapsing into the hole

Easy-Install Slotted Washers

Easy-Install Slotted Washers

Slip under nuts and screws without having to disassemble them

Rectangular Washers

Rectangular Washers

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

Washers for Square-Neck Bolts

Washers for Square-Neck Bolts

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

Dished Washers

Cover oversized holes, such as the ends of pipe and tubes

Double-Clipped Washers

Double-Clipped Washers

Squeeze into tighter spots than single-clipped washers

Beveled Washers

Beveled Washers

The thickest washers we offer, designed for heavy duty wood construction

Finish-Your-Own Washers

Finish-Your-Own Washers

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

Washers for Blind Rivets

Washers for Blind Rivets

Sized to fit around blind rivet diameters

Curved Washers

Sit flush against rails, columns, and other structural tubes

General Purpose Washer Assortments

General Purpose Washer Assortments

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

Perforated Washers

Perforated Washers

Plaster flows through to form a bond between the washer and wall

USS Washer Assortments

USS Washer Assortments

A collection of sizes that meet USS specifications—typically larger diameters than SAE washers

Washers for Foam Insulation

Washers for Foam Insulation

Prevent screws from crushing insulation board

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

Square Washers for Blind Rivets

Square Washers for Blind Rivets

Won't rotate as you fasten blind rivets in slots and channels

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Disc Springs

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

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

Thrust Bearings

Thrust Bearings

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

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

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

Hose Washers

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

Magnets

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

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

Push Nuts

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

Clamp Holding Washers

Clamp Holding Washers

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

Clothes Washers

Clothes Washers

Load clothes in the top and choose from five washing cycles

Tag Washers

Bolt onto surfaces to mount tag rings and ties

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

O-Rings

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

Conduit Reducing Washers

Conduit Reducing Washers

Shrink knockout sizes in outlet boxes or enclosures to connect smaller conduit

Hex Head Screws

Hex Head Screws

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

Cross-Bracing Washers

Cross-Bracing Washers

Connect cross-bracing rods or cables to structural beams; also known as hillside washers

Clothes Dryers

Load clothes to dry them at a heavy duty, normal, or delicate level

Snap-In Nuts

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

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

Fastener Assortments

Fastener Assortments

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Blowguns

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

Tag Rings

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

Water Brooms

Hook up to a garden hose and roll to wash floors, driveways, and other flat surfaces

Parts Baskets

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

Pressure Washer Extension Wands

Pressure Washer Extension Wands

Connect to your pressure washer to spray down hard-to-reach areas

Grommets

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

Air Nozzles

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

Tube Brushes

Remove contaminants from tubes, pipes, and holes

Protective Caps

Protective Caps

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

Parts Washers

Pump solution through a spigot or hose to clean parts in the basin

Electrical Enclosure Fasteners

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

Tube Fitting Rings

Tube Fitting Rings

Snap onto push-to-connect fittings to identify different tubing lines

Brooms

Sweep up dust, dirt, and other debris

Cup and End Brushes

Cup and End Brushes

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

Glassware Rinsers

Glassware Rinsers

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

Wheel Brushes

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

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

Wash Gun Nozzle Extensions

Wash Gun Nozzle Extensions

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

Hand Washing Stations

Hand Washing Stations

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

Abrasive Hand Brushes

Abrasive Hand Brushes

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

Ultrasonic Cleaners

Ultrasonic Cleaners

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

Siphon Guns

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

Pressure Washers

Pressure Washers

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

Linear Wave Springs

Linear Wave Springs

Absorb vibration and fill in gaps along the length of an object

Air Nozzle Swivels

Air Nozzle Swivels

Adjust airflow angle when you can’t move the nozzle

Squeegees

Wipe liquids off of windows, floors and other surfaces

Wash Guns

Fasten to a hose to control water flow during washdowns

Parts Washing Cans

Parts Washing Cans

Save space and solution when cleaning small parts or just a few items

Nozzle Tip Cleaners

Nozzle Tip Cleaners

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

Submersible Pumps

Submersible Pumps

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

Parts Washing Tubs

Parts Washing Tubs

Fill with solution to soak and clean parts

Parts Washing Brushes

Parts Washing Brushes

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

Hand Brushes

Clean dust and chips off tables and workbenches

Floor Machine Brushes

Floor Machine Brushes

Use with a floor machine to scrub floors; more durable than floor machine pads

Pressure Washer Guns

Pressure Washer Guns

Control the flow of water sprayed from a pressure washer

Scrub Brushes

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

Scouring Pads

Scrub heavy grease and grime away better than sponges

Floor Machines

Strip, scrub, buff, and polish hard or carpeted floors with a pad or brush

File Cleaners

Clear metal shavings and debris from file teeth; also known as file cards

Dipping Racks

Hang items during painting, cleaning, and drying

Electropolishers

Electropolishers

Dissolve microscopic surface flaws from metal parts for a mirror-like finish

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