Brake Washers | McMaster-Carr

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System of Measurement

Screw Size

OD

ID

Material

Washer Type

Thickness

0.001" to 0.003"

0.002" to 0.004"

0.004" to 0.006"

0.005" to 0.006"

0.005" to 0.024"

0.005" to 0.030"

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Shaft Diameter

Color

Performance

Abrasion Resistant

Aggressive Cleaning

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Finish-Your-Own

High Temperature

Impact Resistant

Specifications Met

Length

Hardness

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Washer Designation

General Purpose

Overall Height

Thread Size

Hole Diameter

0.221" to 0.224"

0.245" to 0.248"

0.256" to 0.259"

0.259" to 0.263"

0.269" to 0.272"

0.281" to 0.284"

0.299" to 0.303"

0.305" to 0.308"

0.315" to 0.32"

0.341" to 0.344"

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

1,000° F or greater

Height

ASME Designation

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11,462 Products

Fastening and Joining

Washers

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Lock Washers

Resist vibration to prevent fasteners from loosening

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

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

Cross-Bracing Washers

Cross-Bracing Washers

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

Push Nuts

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

Unthreaded Inserts

Unthreaded Inserts

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

Power Transmission

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Thrust Bearings

Thrust Bearings

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

Bearing Washers

Bearing Washers

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

Springs

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

Electrical

Electrical-Terminal Washers

Electrical-Terminal Washers

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

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

Fabricating and Machining

Parts Cleaning Vacuum/Blowers

Parts Cleaning Vacuum/Blowers

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

Ultrasonic Cleaners

Ultrasonic Cleaners

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

Parts Washers

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

Parts Washing Tubs

Parts Washing Tubs

Fill with solution to soak and clean parts

Disinfecting Solutions for Ultrasonic Cleaners

Disinfecting Solutions for Ultrasonic Cleaners

Eliminate bacteria and germs while cleaning parts in ultrasonic cleaners

Cleaning Solutions for Ultrasonic Cleaners

Cleaning Solutions for Ultrasonic Cleaners

Remove contaminants from parts in ultrasonic cleaners

Rinsing Solutions for Ultrasonic Cleaners

Rinsing Solutions for Ultrasonic Cleaners

Dissolve residue that solvent-based cleaning solutions can leave behind

Parts Washing Solutions

Parts Washing Solutions

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

Parts Washing Brushes

Parts Washing Brushes

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

Clamp Holding Washers

Clamp Holding Washers

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

Material Handling

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

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