Ring Washers | McMaster-Carr

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	System of Measurement System of Measurement

Inch

Metric

	ID ID

	OD OD

	Thickness Thickness

	Material Material

	Shape Shape	Show

	Ring

	Shape Shape	Hide


Disc	D-Profile

Keyed	Made to Order

Oval	Pistol

Rectangle	Ring

Rod and Disc	Round

Sheet and Bar	Slotted

Straight	Tapered

	For Screw Size For Screw Size

	Individual/Set Individual/Set

Individual

Set

	Magnetic Properties Magnetic Properties

May Be Mildly Magnetic

Magnetic

Nonmagnetic

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	For Shoulder Diameter For Shoulder Diameter

	Color Color

	Black		White
	Gray		Red
	Beige		Blue
	Green		Orange
	Brown		Yellow
	Coral		Purple
	Pink		Amber

	Passivation Passivation

Not Passivated

	Specifications Met Specifications Met

	For ID For ID

	Maximum Temperature Maximum Temperature

	Minimum Temperature Minimum Temperature

	Hardness Rating Hardness Rating

Soft

Medium Hard

Hard

	Hardness Hardness

Durometer 60A

Durometer 70A

Durometer 75A

	For Bearing OD For Bearing OD

	For Bearing ID For Bearing ID

2,537 Products

Round Shims

Ring Shims

Precisely align, level, and adjust spacing on fasteners and shafts with these shims.

Ring Shim Sets

Be prepared with ring shims in a variety of thicknesses. These shims fit around fasteners and shafts to precisely align, level, and adjust spacing.

Wide-Rim Ring Shims

Also known as machinery bushings, these shims have an oversized OD to create a larger bearing surface for reduced wear between moving parts.

Tight-Fit Ring Shims

For a snug fit around a shaft, the ID of these shims is held to a tighter tolerance than other round shims.

Peel-Away Layered Ring Shims

These shims are made of layers of metal bonded with adhesive. Remove layers with a utility knife until you get the thickness you need.

Color-Coded Ring Shims

Precisely align, level, and adjust spacing on fasteners, shafts, and machinery with these shims, which are color-coded by thickness for easy identification.

Color-Coded Ring Shim Sets

Be prepared with ring shims in a variety of thicknesses. These shims are color-coded by thickness for easy identification.

Shims for Shortening Screw Shoulders

Slide these shims under the screw head to shorten the shoulder length.

Shims for Lengthening Screw Shoulders

Spin these shims onto screw threads to extend the shoulder length.

Shims for Ball Bearings

Adjust spacing between bearings and other components on shafts. These shims are sized to fit the outer rim of a bearing.

Shims for Ball Bearing Housings

Also called tolerance rings, these rings are for use in stamped, molded, or worn housings to form a tight hold on the bearings.

Shims for Button Dies

Place these shims under sharpened dies to restore their original height and extend their life.

Ring Shim Assortments

Shim Assortments for Shortening Shoulder Screws

Slide onto a shoulder screw to shorten the length of the shoulder.

Shim Assortments for Button Dies

Place these shims under sharpened dies to restore their original height and extend the life of the dies.

Ring Shim Assortments

Use round shims to precisely align, level, and adjust spacing on shafts and machinery.

Shim Assortments for Lengthening Shoulder Screws

Spin these tight-fitting shims onto your screw's threads to lengthen the shoulder.

Hose Gasket Washers

Water-Resistant SBR Hose Gasket Washers

Place one of these SBR rubber washers inside a nozzle or spigot to prevent leaks at the connection point.

Oil-Resistant Neoprene Hose Gasket Washers

Made of neoprene rubber, these washers resist oil.

High-Temperature Foam Rings

Seal and damp vibration in high-temperature equipment with these rings.