Brake Washers | McMaster-Carr

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Corrosion-Resistant Coated

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DFARS Specialty Metals

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Compliant with Exemptions

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REACH

Fastener Strength Grade/Class

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

Yes

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Hole Diameter

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Overall Height

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11,506 Products

Fastening and Joining

Washers

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

5,181 products

Lock Washers

Resist vibration to prevent fasteners from loosening

1,659 products

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

167 products

Insulating Washers

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

277 products

Sealing Washers

Prevent fluids from leaking around fasteners

752 products

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

265 products

Finishing Washers

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

156 products

Cross-Bracing Washers

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

20 products

Push Nuts

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

82 products

Unthreaded Inserts

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

69 products

Power Transmission

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Thrust Roller Bearing Washers

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

102 products

Thrust Bearings

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

839 products

Disc Springs

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

1,680 products

Electrical Power, Networking, and Controlling

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

1 product

Electrical-Terminal Washers

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

6 products

Fabricating and Machining

Parts Cleaning Vacuum/Blowers

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

10 products

Ultrasonic Cleaners

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

33 products

Parts Washers

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

39 products

Parts Washing Tubs

Fill with solution to soak and clean parts

6 products

Disinfecting Solutions for Ultrasonic Cleaners

Eliminate bacteria and germs while cleaning parts in ultrasonic cleaners

1 product

Cleaning Solutions for Ultrasonic Cleaners

Remove contaminants from parts in ultrasonic cleaners

7 products

Rinsing Solutions for Ultrasonic Cleaners

Dissolve residue that solvent-based cleaning solutions can leave behind

1 product

Parts Washing Solutions

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

10 products

Parts Washing Brushes

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

14 products

Clamp Holding Washers

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

12 products

Electropolishers

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

10 products

Electropolishing Solutions

Smooth, brighten, and passivate metal parts for a mirror-like finish

2 products

Material Handling

Tie-Down Washers

Angled sides align and hold tie-down straps

5 products