Phenolic Washers | McMaster-Carr

Designed for use with plastic screws, these acetal washers are good electrical insulators. They are excellent for use under water and in rotating assemblies.

Adhesive Lock Washers

When a metal fastener is tightened onto the washer, the embedded epoxy activates and bonds the underside of the fastener head to the mating surface to prevent loosening. The adhesive fills gaps and spaces that other washers fail to seal.

Sealing Washers

Abrasion-Resistant Rubber
and Plastic Sealing Washers

Made of durable material, these washers resist wear from rubbing and scraping surfaces.

High-Pressure-Rated Metal-Bonded Sealing Washers

Able to withstand pressure greater than 3,000 psi, these one-piece bonded washers create the tightest seals.

Shims

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Color-Coded Ring Shims

Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims, which are color-coded by thickness for easy identification.

Color-Coded Ring Shim Sets

Be prepared with ring shims in a variety of thicknesses. These shims are color-coded by thickness for easy identification.

Color-Coded Slotted Shims

These shims are color-coded by thickness for easy identification. The slot lets you insert, remove, and adjust the shims without disassembling your machinery.

Color-Coded Slotted Shim Sets

Keep slotted shims in a variety of thicknesses on hand with these sets, which are color-coded by thickness for easy identification. The slot lets you insert, remove, and adjust the shims without disassembling your machinery.

Large-Adjustment Slotted Shims

Use these thick shims to align cabinets, doors, and windows, or for other rough leveling.

Breakaway Slotted Shims

These shims are scored so you can easily shorten them to the length you need. Designed to fit around screws, they are commonly used in window, door, and cabinet installations.

Color-Coded Horseshoe Shims

These shims are color-coded by thickness for easy identification. The horseshoe design fits around screws.

Interlocking Color-Coded Horseshoe Shims

Clips on these shims hold them together when stacked, and they are color coded by thickness for easy identification. Designed to fit around screws, they are commonly used in window, door, and cabinet installations.

Slotted Tapered Shims

The slot lets you install these rigid shims around screws.

Tapered Shims

Ridges keep these shims from sliding apart when stacked.

Unthreaded Spacers

Nylon Unthreaded Spacers

These spacers have excellent wear and abrasion resistance. Exposure to moisture may cause them to expand.

Polyethylene Unthreaded Spacers

Almost nonabsorbent, these unthreaded LDPE and HDPE spacers won't swell when exposed to water.

PTFE Unthreaded Spacers

PTFE spacers have a slippery surface and surpass most plastic spacers when it comes to chemical resistance and performance in extreme temperatures.

Acetal Unthreaded Spacers

Naturally slippery and wear resistant, acetal spacers also offer some resistance to moisture.

PEEK Unthreaded Spacers

Use PEEK spacers as an alternative to metal spacers in high-temperature, high-stress applications. They resist chemicals, wear, and moisture.

Polypropylene Unthreaded Spacers

Polypropylene spacers have a hard surface and resist many chemicals and solvents.

Polycarbonate Unthreaded Spacers

Made of FDA-listed material, these clear spacers can be used in food and beverage applications.

Electrical-Insulating Unthreaded Spacers

Protect components from electrical charges.

Unthreaded Spacer Stock

Cut stock to the length you need.

Unthreaded Spacers for Tubes

Also known as saddle washers, the curved end fits against round objects such as tube and pipe.

Push-On Retaining Caps

Use these caps to hold components in place and protect shaft ends.

Washer Assortments

Sleeve Washer Assortments

Also known as shoulder and insulator washers, these nonmetal washers block electrical current and prevent corrosion from mating different types of metal.

Bearings

Ultra-Low-Friction Dry-Running Thrust Bearings

Use these bearings in applications with frequent starts and stops because they operate with very little friction.

Light Duty Dry-Running Thrust Bearings

Use where high loads and speeds are not required.

Food Industry Dry-Running Thrust Bearings

Made of FDA listed materials for use in food applications, these bearings also withstand caustic and washdown environments.

Water-Resistant Dry-Running Thrust Bearings

Good for underwater applications, these bearings won’t swell or warp when wet.

Chemical-Resistant Dry-Running Thrust Bearings

These bearings stand up to a wider range of chemicals than other dry-running thrust bearings.

High-Load Dry-Running Thrust Bearings

A metal backing adds strength.

Needle-Roller Thrust Bearings

Thinner rollers allow these bearings to fit in tighter spaces than tapered-roller thrust bearings.

Thrust Ball Bearings

Steel balls and washers allow these bearings to handle higher loads than bearings with stainless steel components.

Corrosion-Resistant Thrust Ball Bearings

A combination of stainless steel and nylon components provide increased corrosion resistance over standard thrust ball bearings.

O-Rings

Ultra-Chemical-Resistant Rigid PTFE O-Rings

Rigid and hard with a slippery surface, these PTFE O-rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and boric acid.

Ultra-Chemical-Resistant Rigid PTFE O-Rings for
Tube Fittings with Straight-Thread Connection

These temperature- and chemical-resistant O-rings prevent leaks in tube fittings that have a straight-thread connection, also known as O-ring boss fittings.

Ultra-Chemical-Resistant
FEP-Encapsulated Silicone O-Rings

The FEP casing on these O-rings provides the same level of resistance to harsh chemicals as PTFE O-rings, but the core material is soft to make these O-rings more compressible.

Ultra-Chemical-Resistant FEP-Encapsulated
Viton® Fluoroelastomer O-Rings

Unlike silicone, the Viton® fluoroelastomer core will continue to ward of chemicals should the FEP casing wear away.

Ultra-Chemical-Resistant PTFE Backup Rings

These PTFE backup rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and many acids.

Backup Ring Assortments

These 325-piece assortments mean you’ll always have a backup ring on hand.

Ultra-Chemical-Resistant Rigid
PTFE O-Ring Assortments

Rigid and hard with a slippery surface, these O-rings resist harsh chemicals, such as acetone, fluorinated solvents, methanol, and boric nitric, and sulfonic acids.

Grommets

Expandable Grommets

The center hole has flaps that flex to hold and protect various sizes of wire, cable, and cords while keeping out dust and debris. Push these grommets into place. They turn rough-edged and uneven holes into smooth, insulated holes.

Locking Grommets

These grommets snap into place and have wings that expand against the sides of the hole to lock them in position. Use them to protect wire, cable, and cords by turning rough-edged and uneven holes into smooth holes.

Expandable Locking Grommets

The center hole has flaps that flex to hold and protect various sizes of wire, cable, and cords while keeping out dust and debris. Snap these grommets into place and their wings expand against the sides of the hole to lock them in position. Use them to turn rough-edged and uneven holes into smooth holes.

Split Grommets

A slit in the side of these grommets allows you to install them around wire, cable, and cords that are already in place. They snap into the hole and their wings hold them tight. Use them to turn rough-edged and uneven holes into smooth, insulated holes.

Shrink-to-Fit Sealing Grommets

Apply heat and these grommets shrink around wire, cable, and cords to keep out dust, debris, and moisture.

Liquid-Tight Sealing Grommets

Rated IP68, these grommets form liquid-tight seals around wire, cable, and cords to protect them against dust as well as submersion in a maximum of one meter of water.

Snap-In Pipe and Tubing Grommets

These grommets have two flanges that snap around holes and flex to compensate for misalignment and movement of pipe and tubing. They're often used for routing applications in panel walls.

Push-In Pipe and Tubing Grommets

Press these flexible grommets into holes and their tapered inner wall will expand when pipe or tubing is inserted to hold them snugly in place. They're often used for routing applications on metal, plastic, and fiberglass tanks.

Snap-In Fabric Grommets

No setting tools needed—snap the two parts together in a hole you've already cut to strengthen the hole and eliminate fraying. Use these grommets in tarps, covers, curtains, and other material.

Shaft Grommets

Support shafts, bearings, and other moving parts that are routed through a hole. These grommets are slippery to allow parts to move freely in the hole. Install them on thin sheet-metal panels.

Expandable Furniture Grommets

The center hole has flaps that flex to accommodate various sizes of wire, cable, and cords while still providing dust and debris protection. Use these grommets to eliminate cord clutter on desktops, countertops, benchtops, and other work surfaces.

Brush-Style Furniture Grommets

Wire, cable, and cords pass through the grommet opening while the bristles fill in the gaps to control dust and debris. Use these grommets to eliminate cord clutter on desktops, countertops, benchtops, and other work surfaces.

Furniture Grommets

Eliminate clutter on desktops, countertops, benchtops, and other work surfaces by organizing wire, cable, and cords.

Control of Liquids, Gases, and Solids

Faucet Washers

Faucet Washer Assortments

Replacement Washers for Slip-Joint Fittings

Replacement Adapter Washers for Slip-Joint Fittings

These adapters connect 1 ¼” OD pipe to 1 ½” OD pipe.

Plastic Pipe Fittings for Oil

Made of corrosion-resistant plastic, these fittings won’t deteriorate when used in oil applications. They have high strength and impact resistance.

Inline Strainer Washers

Install these strainer washers in pipe or fittings to protect equipment in locations where other strainers don’t fit.

Blowguns

Plastic-Body Blowguns

The lightweight plastic construction makes these blowguns more comfortable to hold than metal.

Blowguns with Nonmarring Tip

The rubber tip won't damage parts.

Pocket Blowguns

Compact enough to carry with you, these guns have a built-in quick-disconnect hose coupling for easy connection to an air line.

Blowguns with Air Hose

Connect the included hose to your air supply and these blowguns are ready to use.

Dual Air-Inlet Blowguns

Two inlets allow connection to air lines above or below. Use the top inlet when the blowgun is suspended from an overhead hose and the bottom inlet for bench and floor hoses.

Extended-Reach Blowguns with Air Hose

The included hose is ready to connect to your air supply.

Plastic-Body Extended-Reach Blowguns

The lightweight plastic body is more comfortable to hold than metal.

Adjustable-Length Blowguns

Increase your reach with the telescoping nozzle.

Plastic-Body High-Airflow Blowguns

Maximize comfort and minimize strain with these lightweight guns.

Wide-Airflow Blowguns

The flat nozzle distributes air over a wide area.

Air Nozzles

These premium nozzles are engineered for the most efficient airflow consumption.

Wide-Airflow Air Nozzles

The flat nozzle tip distributes air over a wider area than focused-airflow nozzles.

Food Industry Wide-Airflow Air Nozzles

These nozzles are made of FDA-listed materials.

Wedge Air Nozzles

Shaped to fit into extremely tight spaces, these nozzles can be used to remove parts from molds. Tap the wedge into position, attach the nozzle to a blowgun, and activate the airflow to release the part.

Wide-Airflow Bend-and-Stay Air Nozzles

The flat nozzle tip distributes air over a wider area than focused-airflow nozzles.

Magnet-Mount Bend-and-Stay Air Nozzles

The magnetic base mounts to your work surface and has a control valve for adjusting airflow.

Create-Your-Own Bend-and-Stay Air Nozzles

Choose a base, hose, and nozzle for a custom setup.

Parts Washing

Replacement Parts for Parts Washers

Parts Washers for Water-Based Solutions

Mobile Parts Washers for Water-Based Solutions

A dolly with casters makes it easy to move these parts washers around your facility.

Bench-Top Parts Washers for Water-Based Solutions

Clean small parts with these compact washers.

Programmable Heated Ultrasonic Cleaners

Precisely control the cleaning process by setting the temperature and time.

Economy Ultrasonic Cleaners

Parts Washing Brushes

Aggressive-Cleaning Parts Washing Brushes

Steel bristles remove weld slag and heavy surface contamination.

Flow-Through Parts Washing Brushes

Flow-Through Parts Washing Brushes with Flow Control

Regulate the flow of washing solution with the push-button control.

Tube Brushes

Low-Scratch Tube Brushes with Handle

The handle makes it easy to brush by hand. Clean delicate surfaces inside tubes, pipes, and holes.

Low-Scratch Tube Brush Sets with Handle

The handle makes it easy to brush by hand. Clean delicate surfaces inside tubes, pipes, and holes.

Screw-Size Low-Scratch Tube Brush Sets with Handle

These sets include brushes in the most common screw sizes.

Low-Scratch Tube Brush Sets

Keep a variety of brushes on hand to clean surfaces inside tubes, pipes, and holes where scratching is a concern.

Food Industry Low-Scratch Tube Brushes with Handle

The handle makes it easy to brush by hand.

High-Temperature Low-Scratch Tube Brushes

These brushes withstand temperatures up to 500°.

Tube Brushes with Handle

The handle makes it easy to clean tubes, pipes, and holes by hand.

Tube Brush Sets with Handle

Grip the handles on these brushes for extra leverage when cleaning tubes, pipes, and holes by hand.

Tube Brush Sets with Changeable-Tip Handle

Change brush tips to clean different tube sizes.

Super-Flexible-Shaft Tube Brushes

The long shaft on these brushes snakes around curves to reach deep into tubes.

Internal and External Tube Brushes

Clean the inside and outside of a tube with one brush.

External Tube Brushes

Commonly used before soldering, these brushes clean the outside of tubes.

Abrasive Brushes

Remove light-to-medium rust and stains and small burs.

Refillable Miniature Abrasive Brushes

Turn the handle to expose more bristles as they wear.

Miniature Abrasive Brushes

Work in tiny spaces and on very small parts to remove light-to-medium rust and stains and small burs.

Two-in-One Abrasive Brushes

Use two types of bristles on one brush to remove light-to-medium rust and stains and small burs.

Two-in-One Low-Scratch Abrasive Brushes

Use two types of bristles on one brush.

Low-Scratch Abrasive Brushes

Tight-Clearance Low-Scratch Abrasive Brushes

The handle curves sharply for cleaning in hard-to-reach spots.

Miniature Low-Scratch Abrasive Brushes

Work on delicate surfaces in tiny spaces and on very small parts.

Refillable Miniature Low-Scratch Abrasive Brushes

Turn the handle to expose more bristles as they wear.

Low-Scratch Abrasive Brushes with Scraper

Aggressive-Cleaning Abrasive Brushes

Aggressive-Cleaning Abrasive
Brushes with T-Slot Cleaner

The cleaner fits into the T-slot grooves of your machine table to clear chips and debris.

Acid-Resistant Plastic Round Parts Baskets

Made of polypropylene, these baskets withstand most acids and chemicals.

Parts Cleaning Vacuum/Blowers

Clean parts with compressed air without propelling fluids and debris all over your shop. These vacuum/blowers quickly blow coolant, oil, and chips off your parts while a vacuum sucks them into a removable drum for recycling or disposing of them.

Pressure Washing and Spraying

Heavy Duty Wash Guns

These durable wash guns are typically used for frequent washdowns and cleanup.

High-Pressure Wash Guns

These wash guns have a high maximum pressure, so use them with pressure washers and high-pressure spray systems.

Quick-Disconnect High-Pressure Wash Guns

With a high maximum pressure and quick-disconnect nozzle connection, these wash guns work with pressure washers and high-pressure spray systems and it’s easy to swap out their nozzles.

Pressure Washer Extension Wands

To clean hard-to-reach areas, attach these wands to your pressure washer.

Nail Brushes

Scrub out the dirt trapped under your nails.

Sweeping, Vacuuming, and Mopping

Dust Brushes

Chemical-Resistant Dust Brushes

Bristles are made from chemical-resistant materials.

Metal- and X-Ray-Detectable Dust Brushes

Made with metal and chemical additives, the bristles and handles on these brushes won’t get past metal detectors or X-ray machines in your food facility.

Chip Brushes

Commonly used to sweep away debris created during milling, drilling, and cutting, these brushes can also be used for light cleaning.

Chemical-Resistant Chip Brushes

Chemical-resistant plastic bristles are flexible and narrow, making them a good choice for a variety of spills in small spaces.

Window Washer Pads

Window Washers

Compact Swing-Style Floor Buffer/Scrubbers

This cleaner gets into tight spots, such as corners and behind toilets. It can also be used to clean baseboards and stairs.

Brushes for Compact Swing-Style
Floor Buffer/Scrubbers

Brushes for Swing-Style Floor Buffer/Scrubbers

Scrub Brushes, Swabs, and Dusters

Multi-Angle Scrub Brushes with Extended-Reach Handle

Bristles remain on the floor whether you're standing or bending, helping you clean hard-to-reach areas like corners, baseboards, up walls, or under equipment.

Floor Drain Scrub Brushes

Scrub the gunk out of floor drains and mop sinks.

Heavy Duty Scrub Brushes with Extended-Reach Handle

Tackle tough cleaning jobs with these scrub brushes. The bristles are highly durable plastic that are coated with abrasive grit for aggressive cleaning.

Cylindrical Scrub Brushes with Extended-Reach Handle

Clean inside containers, pipes, and other places where most brushes can’t fit.

Soft-Bristled Scrub Brushes
with Extended-Reach Handle

Often used to clean windows and vehicles, these soft-bristled brushes won’t scratch. Their bristle block has a wrap-around bumper to protect surfaces.

Scrub Brushes with Extended-Reach Handle

Metal- and X-Ray-Detectable Scrub
Brushes with Extended-Reach Handle

Clean hard-to-reach areas in pharmaceutical and food-processing plants—these scrub brushes have metal and chemical additives that set off metal detectors and show up on an X-ray if they fall into your line.

Drill-Operated Scrub Brushes

Let your drill do the scrubbing and scouring for you.

Cylindrical Scrub Brushes

Clean inside containers, pipes, and other places were most brushes can’t fit.

Miniature Scrub Brushes

Clean small, narrow areas with these brushes.

Scrub Brushes

Flexible Scrub Brushes

Curl these brushes around countertop edges, faucets, and pipes for thorough cleaning.

Scrub Brushes with Handle

Bottle Brushes

Clean bottles, lab glassware, and other small containers.

Swabs with Flexible Handle

The handle bends to any angle for hard-to-reach applications.

Toilet Bowl Brushes

The bristles on these brushes are chemical resistant, so you can use them with cleaning solutions.

Pipe Cleaners

Clean small pin holes and screw holes with these flexible brushes.

Vibration-Damping Grommets, Bushings, and Washers

Vibration-Damping Washers

Use these in place of normal washers to damp vibration and cushion your joint.

Vibration-Damping Bushings

Easier to install than grommets, push these bushings through your mounting hole to dampen vibration. Use them with a vibration-damping washer to isolate vibration.

Ribbed Vibration-Damping Bushings

Ribbed bushings are more flexible than our smooth vibration-damping bushings, so they're easier to install.

Vibration-Damping Grommets

Press these grommets into a hole to add cushion on both sides.

Ribbed Vibration-Damping Grommets

Ribbed grommets are more flexible than our smooth vibration-damping grommets, so they're easier to install.

One-Piece Socket Retaining Rings

File Cleaners with Brush

A hard-bristle brush cleans fine-finish files.

Washers

Plastic Washers

Metric Plastic Washers

Mil. Spec. Plastic Washers

Chemical-Resistant Plastic Washers

Metric Chemical-Resistant Plastic Washers

Mil. Spec. Chemical-Resistant Plastic Washers

Electrical-Insulating Plastic Washers

Metric Electrical-Insulating Plastic Washers

Water- and Steam-Resistant Plastic Washers

Metric Water- and Steam-Resistant Plastic Washers

High-Temperature Plastic Washers

Metric High-Temperature Plastic Washers

Electrical-Insulating Sleeve Washers

Extra-Tall Electrical-InsulatingRolled-Collar Sleeve Washers

Electrical-Insulating Rolled-Collar Sleeve Washers

Electrical-Insulating Cup Sleeve Washers

Plastic Countersunk Washers

Self-Retaining Washers

Plastic Washers for Rigid Insulation

Lock Washers

Spring Lock Washers for Plastic Screws

Adhesive Lock Washers

Sealing Washers

Abrasion-Resistant Rubberand Plastic Sealing Washers

High-Pressure-Rated Metal-Bonded Sealing Washers

Shims

Ring Shims

Color-Coded Ring Shims

Color-Coded Ring Shim Sets

Color-Coded Slotted Shims

Color-Coded Slotted Shim Sets

Large-Adjustment Slotted Shims

Breakaway Slotted Shims

Color-Coded Horseshoe Shims

Interlocking Color-Coded Horseshoe Shims

Slotted Tapered Shims

Tapered Shims

Unthreaded Spacers

Nylon Unthreaded Spacers

Polyethylene Unthreaded Spacers

PTFE Unthreaded Spacers

Acetal Unthreaded Spacers

PEEK Unthreaded Spacers

Polypropylene Unthreaded Spacers

Polycarbonate Unthreaded Spacers

Electrical-Insulating Unthreaded Spacers

Unthreaded Spacer Stock

Unthreaded Spacers for Tubes

Unthreaded Spacers for Tubes

Push-On Retaining Caps

Push-On Retaining Caps

Washer Assortments

Washer Assortments

Sleeve Washer Assortments

Bearings

Ultra-Low-Friction Dry-Running Thrust Bearings

Light Duty Dry-Running Thrust Bearings

Food Industry Dry-Running Thrust Bearings

Water-Resistant Dry-Running Thrust Bearings

Chemical-Resistant Dry-Running Thrust Bearings

High-Load Dry-Running Thrust Bearings

Needle-Roller Thrust Bearings

Thrust Ball Bearings

Corrosion-Resistant Thrust Ball Bearings

O-Rings

Ultra-Chemical-Resistant Rigid PTFE O-Rings

Ultra-Chemical-Resistant Rigid PTFE O-Rings forTube Fittings with Straight-Thread Connection

Ultra-Chemical-ResistantFEP-Encapsulated Silicone O-Rings

Ultra-Chemical-Resistant FEP-EncapsulatedViton® Fluoroelastomer O-Rings

Ultra-Chemical-Resistant PTFE Backup Rings

Backup Ring Assortments

Ultra-Chemical-Resistant RigidPTFE O-Ring Assortments

Grommets

Expandable Grommets

Locking Grommets

Expandable Locking Grommets

Split Grommets

Shrink-to-Fit Sealing Grommets

Liquid-Tight Sealing Grommets

Extra-Tall Electrical-Insulating
Rolled-Collar Sleeve Washers

Abrasion-Resistant Rubber
and Plastic Sealing Washers

Ultra-Chemical-Resistant Rigid PTFE O-Rings for
Tube Fittings with Straight-Thread Connection

Ultra-Chemical-Resistant
FEP-Encapsulated Silicone O-Rings

Ultra-Chemical-Resistant FEP-Encapsulated
Viton® Fluoroelastomer O-Rings

Ultra-Chemical-Resistant Rigid
PTFE O-Ring Assortments

Aggressive-Cleaning Abrasive
Brushes with T-Slot Cleaner