Zinc-Plated Steel Washers | McMaster-Carr

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Finish

Zinc Yellow-Chromate Plated

Material

Ferrite Ceramic

Silicon Carbide

Stainless Steel

System of Measurement

Screw Size

Washer Type

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

OD

ID

Thickness

0.005" to 0.030"

0.010" to 0.016"

0.012" to 0.018"

0.014" to 0.020"

0.015" to 0.019"

0.016" to 0.018"

0.016" to 0.022"

0.016" to 0.025"

0.017" to 0.021"

0.018" to 0.023"

0.018" to 0.024"

0.020" to 0.024"

0.020" to 0.025"

0.020" to 0.027"

Washer Designation

General Purpose

Fastener Strength Rating

Thread Size

Specifications Met

NEBS GR-63-CORE

ASME Designation

Performance

Corrosion Resistant

Heavy Vibration Resistant

Precision Adjust

Tension Indicating

Weather Resistant

Hardness

RoHS

Compliant with Exemptions

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

Screen Material

Body Finish

Handle Material

Bristle Material

Stainless Steel

Body Material

Blade Material

How can we improve?

3,660 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 and thicknesses to cover large holes or to create gaps

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

Structural Washers

Structural Washers

Distribute pressure under structural screws and nuts in columns, joists, and I-beams

Mil. Spec. Washers

Mil. Spec. Washers

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

Undersized Washers

Undersized Washers

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

Tension-Indicating Structural Washers

Tension-Indicating Structural Washers

Change color when you apply the correct tension to prevent overtightening

Square Washers

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

Dished Washers

Cover oversized holes, such as the ends of pipe and tubes

Clipped Washers

Clipped Washers

Clipped on one side to fit in tight spots

Washers for Square-Neck Bolts

Washers for Square-Neck Bolts

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

Perforated Washers

Perforated Washers

Plaster flows through to form a bond between the washer and wall

Curved Washers

Sit flush against rails, columns, and other structural tubes

Washers for Blind Rivets

Washers for Blind Rivets

Sized to fit around blind rivet diameters

USS Washer Assortments

USS Washer Assortments

A collection of sizes that meet USS specifications—typically larger diameters than SAE washers

Washers for Foam Insulation

Washers for Foam Insulation

Prevent screws from crushing insulation board

General Purpose Washer Assortments

General Purpose Washer Assortments

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

Easy-Install Slotted Washers

Easy-Install Slotted Washers

Slip under nuts and screws without having to disassemble them

Square Washers for Blind Rivets

Square Washers for Blind Rivets

Won't rotate as you fasten blind rivets in slots and channels

SAE Washer Assortments

SAE Washer Assortments

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

Oversized Washer Assortments

Oversized Washer Assortments

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

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

Spacers

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

Finishing Washers

Finishing Washers

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

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

Magnets

Attract or repel metal objects to hang, secure, or position them

Shims

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

Retaining Rings

Retaining Rings

Hold components on a shaft

Fastener Assortments

Fastener Assortments

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

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Snap-In Nuts

Push into square holes in thin materials to add bolts for aligning off-center parts

Webbing Guides

Prevent webbing from twisting and use as anchor points; also known as footman's loops

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Tag Rings

Loop onto tags to attach them to lanyards, key rings, and other objects

Strainers

Install next to valves and pumps to catch debris in your line

Wire Brushes

Scrub by hand or connect to power tools to clean, polish, deburr, and remove rust

Parts Baskets

Contain parts for cleaning and moving them in and out of washers

Wash Gun Nozzle Extensions

Wash Gun Nozzle Extensions

Attach to your wash gun nozzle to clean places out of arm's reach

Hex Head Screws

Hex Head Screws

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

Squeegees

Wipe liquids off of windows, floors and other surfaces

Pressure Washer Guns

Pressure Washer Guns

Control the flow of water sprayed from a pressure washer

Scrub Brushes

Everyday scrub brushes, scrub brushes with a handle, and drill-operated scrub brushes

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