Grade 8 Steel Washers | McMaster-Carr

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Fastener Strength Grade/Class

Material

System of Measurement

Screw Size

Finish

Corrosion-Resistant Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

OD

Washer Type

ID

Thickness

0.016" to 0.025"

0.028" to 0.036"

0.034" to 0.044"

0.036" to 0.045"

0.036" to 0.065"

0.040" to 0.050"

0.047" to 0.080"

0.051" to 0.080"

0.054" to 0.070"

0.055" to 0.065"

0.055" to 0.072"

0.056" to 0.071"

0.064" to 0.080"

0.064" to 0.104"

0.073" to 0.083"

0.074" to 0.121"

Fastener Strength Rating

Color

Thread Size

Specifications Met

Washer Designation

General Purpose

Performance

Highly Corrosion Resistant

Hardness

DFARS Specialty Metals

Certificate Type

Material Certificate with Traceable Lot Number

Material Certificate with Traceable Lot Number and Test Report

ASME Designation

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

Length

Nut Type

RoHS

Compliant with Exemptions

REACH

Width

Export Control Classification Number (ECCN)

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254 Products

Washers

General Purpose Washers

General Purpose Washers

Your go-to metal washer for every screw size

SAE Washers

Meet SAE sizing standards and typically have smaller diameters than USS washers

Oversized Washers

Oversized Washers

Exaggerated diameters or thicknesses to cover large holes or to create gaps

ASME Washers

Meet ASME standards and come in regular, narrow, and wide diameters

USS Washers

Meet USS sizing standards and typically have larger diameters than SAE washers

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

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