Ring Washers | McMaster-Carr

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41,660 Products

Fastening and Joining

Washers

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

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

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Cross-Bracing Washers

Cross-Bracing Washers

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

Shims

Level, align, and adjust spacing on fasteners, shafts, and machine components

Spacers

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

Retaining Rings

Retaining Rings

Hold components on a shaft

Push Nuts

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

Snap-In Nuts

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

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials 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

Magnets

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

Socket Retaining Rings

Socket Retaining Rings

Secure sockets and adapters to impact tools

Power Transmission

Plain Bearings

With no moving parts, the simplest type of bearing

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Bearing Washers

Bearing Washers

Adapt needle-roller thrust bearings for use on unhardened, unground shafts

Ball Bearings

Create less friction than other bearings for use at high speeds

Roller Bearings

Roller Bearings

Support higher loads than ball bearings, but run at lower speeds

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

Sealing

O-Rings

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

10,684 products

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Hose Washers

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

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Building and Machinery Hardware

Grommets

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

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

Vibration-Damping Mounts

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

Facility and Grounds Maintenance

Faucet Washers

Seal faucet components so they don’t leak

Toilet Sealing Rings

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

Sink Drain Fitting Washers

Sink Drain Fitting Washers

Replace the washers in sink drain fittings

Clothes Washers

Clothes Washers

Load clothes in the top and choose from five washing cycles

Clothes Dryers

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

Scouring Pads

Scrub heavy grease and grime away better than sponges

Shoe Washing Stations

Shoe Washing Stations

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

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

Swabs

Cotton, clean room, antistatic, sterile, and wet swabs

Pipe Cleaners

Clean small holes and inside tubes with these flexible brushes

Window Washers

Attach to a pole handle to clean high window panes

Window Washer Pads

Window Washer Pads

Replace window washer heads

Toilet Brushes

Scrub out toilet bowls

Pressure Washer Extension Wands

Pressure Washer Extension Wands

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

Pressure Washers

Pressure Washers

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

Pressure Washer Guns

Pressure Washer Guns

Control the flow of water sprayed from a pressure washer

Water Brooms

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

Wash Guns

Fasten to a hose to control water flow during washdowns

Wash Gun Nozzle Extensions

Wash Gun Nozzle Extensions

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

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

Brooms

Sweep up dust, dirt, and other debris

Floor Machine Brushes

Floor Machine Brushes

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

Floor Machines

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

Garden Hose Nozzles

Garden Hose Nozzles

Control the flow from a garden hose for spraying and washing

Hand Washing Stations

Hand Washing Stations

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

Electrical

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

Electrical-Terminal Washers

Electrical-Terminal Washers

Prevent wires from slipping out from under screw heads to keep electrical connections intact

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Heat-Shrink Tubing

Heat-Shrink Tubing

Apply heat to seal and insulate electrical wiring and connections

Fabricating and Machining

Clamp Holding Washers

Clamp Holding Washers

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

Wire Brushes

Scrub by hand or connect to power tools to clean, polish, deburr, and remove rust

Parts Baskets

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

Blowguns

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

Parts Washers

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

Parts Washer Replacement Parts

Parts Washer Replacement Parts

Replace parts such as pumps, hose, and fusible links

Parts Washer Filters

Parts Washer Filters

Change out used filters or catch grease, oil, and debris to extend the life of your solution

Disinfecting Solutions for Ultrasonic Cleaners

Disinfecting Solutions for Ultrasonic Cleaners

Eliminate bacteria and germs while cleaning parts in ultrasonic cleaners

Ultrasonic Cleaners

Ultrasonic Cleaners

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

Nozzle Tip Cleaners

Nozzle Tip Cleaners

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

Rinsing Solutions for Ultrasonic Cleaners

Rinsing Solutions for Ultrasonic Cleaners

Dissolve residue that solvent-based cleaning solutions can leave behind

Parts Washing Brushes

Parts Washing Brushes

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

Parts Washing Cans

Parts Washing Cans

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

Parts Washing Solutions

Parts Washing Solutions

Add to parts washers to remove dirt, oil, grease, rust, and other contaminants

Parts Washing Tubs

Parts Washing Tubs

Fill with solution to soak and clean parts

Cleaning Solutions for Ultrasonic Cleaners

Cleaning Solutions for Ultrasonic Cleaners

Remove contaminants from parts in ultrasonic cleaners

Parts Cleaning Vacuum/Blower Filters

Parts Cleaning Vacuum/Blower Filters

Replace the filter in parts cleaning vacuum/blowers

Parts Cleaning Vacuum/Blowers

Parts Cleaning Vacuum/Blowers

Blast coolant, oil, and chips off your parts while a vacuum draws them into a drum

Dipping Racks

Hang items during painting, cleaning, and drying

File Cleaners

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

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

Air Nozzles

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

Air Nozzle Swivels

Air Nozzle Swivels

Adjust airflow angle when you can’t move the nozzle

Air Knife Positioning Arms

Air Knife Positioning Arms

Two swiveling joints move your air knife and direct airflow

Air Knife Mounting Brackets

Air Knife Mounting Brackets

Mate with the end of air knife positioning arms to attach air knives

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

Submersible Pumps

Submersible Pumps

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

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

Communication

Tag Washers

Bolt onto surfaces to mount tag rings and ties

Tag Rings

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

Material Handling

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

Webbing Guides

Prevent webbing from twisting and use as anchor points; also known as footman's loops

Measuring and Inspecting

O-Ring Gauges

Identify the size of your O-ring

Containers, Storage, and Furniture

Pipette Washers

Pipette Washers

Connect to a water supply to rinse large numbers of pipettes efficiently and safely

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