McMaster-Carr

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	Material Material

Aluminum

	System of Measurement System of Measurement

Inch

Metric

	Thickness Thickness

0.008" to 0.020"

0.203 to 0.508mm

	ID ID

	OD OD

	Shape Shape	Show

	Ring

	Shape Shape	Hide


Ring	Slotted

Sheet and Bar	Round

Tapered	Made to Order

Keyed	Disc

Hex	D-Profile

	Individual/Set Individual/Set

Individual

Set

	Magnetic Properties Magnetic Properties

May Be Mildly Magnetic

Magnetic

Nonmagnetic

	Specifications Met Specifications Met

AMS

ASTM

DIN

Mil. Spec.

	For Shoulder Diameter For Shoulder Diameter

	For Screw Size For Screw Size

	For Bearing OD For Bearing OD

	For Bearing ID For Bearing ID

	Color Color

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

	Maximum Temperature Maximum Temperature

Less than 200° F

300° to 999° F

	Minimum Temperature Minimum Temperature

-99° to -50° F

-49° to 0° F

Not Rated

	Number of Pieces Number of Pieces

	Number of Layers Number of Layers

	Layer Thickness Layer Thickness

0.002"

	Finish Finish

Zinc Plated

	For Bearing Width For Bearing Width

	For Minimum Bearing Housing Bore Diameter For Minimum Bearing Housing Bore Diameter

	For Maximum Bearing Housing Bore Diameter For Maximum Bearing Housing Bore Diameter

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2,165 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.

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.

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.

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.

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.

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

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.

Shim Assortments for Button Dies

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

Shim Assortments for
Shortening Shoulder Screws

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

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Round Shims

Ring Shims

Ring Shim Sets

Tight-Fit Ring Shims

Wide-Rim Ring Shims

Color-Coded Ring Shims

Color-Coded Ring Shim Sets

Peel-Away Layered Ring Shims

Shims for ShorteningScrew Shoulders

Shims for LengtheningScrew Shoulders

Shims for Ball Bearings

Shims for Ball Bearing Housings

Shims for Button Dies

Ring Shim Assortments

Ring Shim Assortments

Shim Assortments forLengthening Shoulder Screws

Shim Assortments for Button Dies

Shim Assortments forShortening Shoulder Screws

Shims for Shortening
Screw Shoulders

Shims for Lengthening
Screw Shoulders

Shim Assortments for
Lengthening Shoulder Screws

Shim Assortments for
Shortening Shoulder Screws