Hard Fiber Insulation | McMaster-Carr

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System of Measurement

Thickness

0.010" to 0.020"

0.014" to 0.016"

0.026" to 0.036"

0.028" to 0.034"

0.036" to 0.044"

0.041" to 0.051"

0.042" to 0.052"

ID

OD

Screw Size

Washer Type

Color

Length

Width

Performance

Electrically Insulating

Impact Resistant

Shape

Flexibility

Maximum Temperature

Less than 500° F

Hardness

Backing Type

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Minimum Temperature

Hardness Rating

Impact Strength Rating

Military Specification

Electrical Insulation Rating

Tensile Strength

9,000 psi to 21,000 psi

10,000 psi to 21,000 psi

How can we improve?

178 Products

Raw Materials

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

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

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