Insulating Washers | McMaster-Carr

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Cushioning Washers

Fastener Assortments

Finishing Washers

Insulating Washers

Sealing Washers

Vibration-Damping Mounts

System of Measurement

Screw Size

ID

OD

Material

18-8 Stainless Steel

Thickness

0.001" to 0.003"

0.002" to 0.004"

0.004" to 0.006"

0.005" to 0.006"

0.008" to 0.012"

0.009" to 0.012"

0.010" to 0.020"

0.012" to 0.018"

0.013" to 0.017"

0.014" to 0.016"

0.015" to 0.025"

0.016" to 0.025"

0.017" to 0.023"

0.018" to 0.022"

0.018" to 0.023"

0.019" to 0.043"

Sleeve Height

Washer Type

Sleeve OD

Color

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrical Insulating

Flame Retardant

Heavy Vibration Resistant

High Temperature

Impact Resistant

Low Temperature

Moisture Resistant

Length

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

Overall Height

Hardness

Height

Edge Type

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

RoHS

Compliant with Exemptions

REACH

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

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Finish

Specifications Met

Environment

Food and Beverage

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3,733 Products

Fastening and Joining

Insulating Washers

Insulating Washers

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

Washers

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Lock Washers

Resist vibration to prevent fasteners from loosening

Finishing Washers

Finishing Washers

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

Spacers

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

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Building and Machinery Hardware

Vibration-Damping Mounts

Vibration-Damping Mounts

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

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