Metal Curved Washers | McMaster-Carr

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Material

Stainless Steel

Washer Type

System of Measurement

Screw Size

OD

ID

Thickness

0.005" to 0.024"

0.005" to 0.030"

Finish

Chromate Conversion Coated

Corrosion-Resistant Coated

Nickel Chrome Plated

Phosphate Coated

Washer Designation

General Purpose

Specifications Met

Federal Specification

NEBS GR-63-CORE

Performance

Chemical Resistant

Corrosion Resistant

Finish-Your-Own

High Efficiency

High Temperature

High Visibility

Precision Adjust

Stress Resistant

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Thread Size

Length

Shaft Diameter

ASME Designation

Color

Shape

Overall Height

DFARS Specialty Metals

Hardness

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Screen Material

304 Stainless Steel

316 Stainless Steel

Width

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16,899 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

Structural Washers

Structural Washers

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

Tension-Indicating Structural Washers

Tension-Indicating Structural Washers

Change color when you apply the correct tension to prevent overtightening

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

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

Double-Clipped Washers

Double-Clipped Washers

Squeeze into tighter spots than single-clipped washers

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

Rectangular Washers

Rectangular Washers

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

Reinforcing Sleeve Washers

Reinforcing Sleeve Washers

Keep soft materials from collapsing into the hole

Dished Washers

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

Curved Washers

Sit flush against rails, columns, and other structural tubes

Washers for Foam Insulation

Washers for Foam Insulation

Prevent screws from crushing insulation board

Perforated Washers

Perforated Washers

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

Other Products

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Shims

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

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

Thrust Bearings

Thrust Bearings

Support loads parallel to the shaft with plain, ball, or roller bearings

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

Spacers

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

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Retaining Rings

Retaining Rings

Hold components on a shaft

Push Nuts

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

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

Clamp Holding Washers

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

Fastener Assortments

Fastener Assortments

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

Tag Washers

Bolt onto surfaces to mount tag rings and ties

Conduit and Conduit Fittings

Conduit and Conduit Fittings

Protect wiring from impact and the environment in runs indoors, outdoors, and underground

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Snap-In Nuts

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

Unthreaded Inserts

Unthreaded Inserts

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

Shoe Washing Stations

Shoe Washing Stations

Sanitize your shoes before entering a clean room or food processing plant

Parts Baskets

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

Tag Rings

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

Air Nozzles

Blow concentrated air for cleaning, drying, cooling, and ejecting 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

Nozzle Tip Cleaners

Nozzle Tip Cleaners

Clear out residue from small openings, such as nozzles or torch tips

Parts Washers

Pump solution through a spigot or hose to clean parts in the basin

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Strainers

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

Parts Washing Tubs

Parts Washing Tubs

Fill with solution to soak and clean parts

Hand Washing Stations

Hand Washing Stations

Clean your hands in remote places like worksites or before entering sanitary environments

Dipping Racks

Hang items during painting, cleaning, and drying

Scouring Pads

Scrub heavy grease and grime away better than sponges

Glassware Rinsers

Glassware Rinsers

Rinse the inside of glasses, tubes, or beakers with a simple press

Parts Washing Cans

Parts Washing Cans

Save space and solution when cleaning small parts or just a few items

Air Nozzle Swivels

Air Nozzle Swivels

Adjust airflow angle when you can’t move the nozzle

Air Knives

Create a sheet of high-velocity air that dries, cleans, and cools parts and equipment

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.)