Electrical-Insulating Washers | McMaster-Carr

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System of Measurement

Screw Size

ID

OD

Material

Garolite G-10/FR4

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"

0.011" to 0.021"

0.012" to 0.018"

0.013" to 0.017"

0.014" to 0.016"

0.015" to 0.025"

0.016" to 0.024"

0.016" to 0.025"

Washer Type

Color

Length

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Heavy Vibration Resistant

High Temperature

Impact Resistant

Low Temperature

Moisture Resistant

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

Hardness

Sleeve Height

Sleeve OD

Overall Height

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

Export Control Classification Number (ECCN)

Finish

Specifications Met

Sold As

Environment

Food and Beverage

Tensile Strength

Dielectric Strength

How can we improve?

3,357 Products

Fastening and Joining

Washers

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

Insulating Washers

Insulating Washers

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

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

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