Zinc Plated Washers | McMaster-Carr

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System of Measurement

Screw Size

Washer Type

Material

Stainless Steel

OD

ID

Fastener Strength Grade/Class

ASTM Grade A490

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"

0.017" to 0.021"

0.018" to 0.023"

0.018" to 0.024"

0.020" to 0.025"

0.020" to 0.027"

Washer Designation

General Purpose

Specifications Met

NEBS GR-63-CORE

ASME Designation

Thread Size

Fastener Strength Rating

Color

Length

Performance

Corrosion Resistant

Heavy Vibration Resistant

Precision Adjust

Tension Indicating

Width

Overall Height

Hardness

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

Tooth Location

Internal and External

Shape

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2,344 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

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

Tension-Indicating Structural Washers

Tension-Indicating Structural Washers

Change color when you apply the correct tension to prevent overtightening

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

USS Washer Assortments

USS Washer Assortments

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

Square Washers for Blind Rivets

Square Washers for Blind Rivets

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

Dished Washers

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

Curved Washers

Sit flush against rails, columns, and other structural tubes

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

Spacers

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

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Finishing Washers

Finishing Washers

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

Strut Channel Washers

Strut Channel Washers

Pair with hex nuts to connect threaded rod to strut channel

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

Shims

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

Fastener Assortments

Fastener Assortments

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

Retaining Rings

Retaining Rings

Hold components on a shaft

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

Magnets

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

Webbing Guides

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

Tag Rings

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

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

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

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