Stainless Steel Flat Washers | McMaster-Carr

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Material

Stainless Steel

System of Measurement

Screw Size

Washer Type

OD

ID

Thickness

0.005" to 0.024"

0.008" to 0.02"

0.010" to 0.013"

0.010" to 0.020"

0.010" to 0.030"

Finish

Washer Designation

General Purpose

Performance

Chemical Resistant

Corrosion Resistant

Extreme Vibration Resistant

Finish-Your-Own

High Temperature

Precision Adjust

Weather Resistant

Thread Size

Specifications Met

Fed. Spec. QQ-S-766

ASME Designation

Shaft Diameter

Color

Overall Height

Shape

Length

Military Specification

Army-Navy Specification

Military Specification

Width

DFARS Specialty Metals

REACH

Passivation

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

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3,489 Products

Washers

General Purpose Washers

General Purpose Washers

Your go-to metal washer for every screw size

Oversized Washers

Oversized Washers

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

Mil. Spec. Washers

Mil. Spec. Washers

Adhere to U.S. military standards for material and construction

SAE Washers

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

USS Washers

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

ASME Washers

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

Undersized Washers

Undersized Washers

Pair with fasteners that have narrow heads, such as cheese and socket head screws

Washers for Blind Rivets

Washers for Blind Rivets

Sized to fit around blind rivet diameters

Washers for Square-Neck Bolts

Washers for Square-Neck Bolts

The square hole fits snugly around carriage, plow, and elevator bolts

Finish-Your-Own Washers

Finish-Your-Own Washers

Punch a hole to create a custom inner diameter for uncommon screw sizes

Adhesive-Back Washers

Adhesive-Back Washers

Stick on your surface to prevent slipping while you fasten

General Purpose Washer Assortments

General Purpose Washer Assortments

A collection of common washer sizes to fit the broadest range of applications

Oversized Washer Assortments

Oversized Washer Assortments

A collection of exaggerated sizes to cover large holes or to create gaps

SAE Washer Assortments

SAE Washer Assortments

A range of sizes that meet SAE standards—typically have smaller diameters than USS washers

Easy-Install Slotted Washers

Easy-Install Slotted Washers

Slip under nuts and screws without having to disassemble them

Clipped Washers

Clipped Washers

Clipped on one side to fit in tight spots

Square Washers

Won't rotate as you fasten screws in slots and channels

Rectangular Washers

Rectangular Washers

Our narrowest washers to fit in thin channels, slots, and other tight spaces

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Shims

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

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

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