Plastic Washers | McMaster-Carr

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System of Measurement

Screw Size

Material

Thickness

Color

Washer Type

Performance

Electrically Insulating

Flame Retardant

Flexible

Heavy Vibration Resistant

Shaft Diameter

Length

Maximum Temperature

Hardness

Minimum Temperature

REACH

RoHS

Compliant with Exemptions

Shape

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

Yes

Export Control Classification Number (ECCN)

1C998

1C999

EAR99

DFARS Specialty Metals

Sleeve Height

Overall Height

Specifications Met

Sleeve OD

Sold As

Width

4,061 Products

Fastening and Joining

Washers

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

1,195 products

Insulating Washers

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

252 products

Sealing Washers

Prevent fluids from leaking around fasteners

256 products

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

44 products

Finishing Washers

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

14 products

Lock Washers

Resist vibration to prevent fasteners from loosening

9 products

Spacers

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

1,690 products

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

214 products

Power Transmission

Thrust Bearings

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

231 products

Disc Springs

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

19 products

Building and Machinery Hardware

Grommets

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

24 products

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

2 products

Vibration-Damping Mounts

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

93 products

Strut Channel Washers

Pair with hex nuts to connect threaded rod to strut channel

4 products

Facility and Grounds Maintenance

Faucet Washers

Seal faucet components so they don’t leak

8 products

Sink Drain Fitting Washers

Replace the washers in sink drain fittings

3 products

Sealing

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

2 products