Round Leveling Shims | McMaster-Carr

	System of Measurement System of Measurement

Inch

Metric

	ID ID

	OD OD

	Thickness Thickness

	Material Material

	Shape Shape


Ring	Keyed

D-Profile	Disc

	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

	Minimum Hardness Minimum Hardness

	For Screw Size For Screw Size

	Specifications Met Specifications Met

	For Shoulder Diameter For Shoulder Diameter

	Washer Type Washer Type


Spherical	Flat

Slotted	Square

	Color Color

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

	For Shaft Diameter For Shaft Diameter

	Keyed Shim Type Keyed Shim Type


With Notch	With Tab

	Finish Finish

Zinc Plated

Black Oxide

Zinc Yellow-Chromate Plated

	Notch Width Notch Width

	Hardness Hardness

	Length Length

2,992 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 Keyed Shafts

Precisely shaped to fit snugly on keyed shafts, these shims align, level, and space components. Because of their tight fit, they also help components rotate in unison with the shaft.

Shim Sets for Keyed Shafts

Be prepared with shims in a variety of thicknesses. Also known as arbor spacers, these shims are notched to fit over keyed shafts.

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.

Disc Shims

Use these round shims as they are, or punch out the middle to create the ID you need.

Shims for D-Profile Shafts

These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing.

Shim Sets for D-Profile Shafts

Be prepared with shims in a variety of thicknesses. These shims are shaped to fit over D-profile shafts. Use them to precisely align, level, and adjust spacing.

Shims for Button Dies

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

Washers

Washers for Blind Rivets

Also known as backup washers, these are for use with blind rivets for extra support when fastening into soft material.

Oversized Washers

Compared to our general purpose washers, these have exaggerated diameters and/or thicknesses for covering oversized holes or for use as spacers and levelers.

Square Washers for Blind Rivets

Also known as backup washers, these are for use with blind rivets for extra support when fastening into soft material.

Easy-Install Slotted Washers

A slot in the side allows you to install and remove these washers without completely disassembling your joint.

Leveling Washers

Metric Leveling Washers

Unthreaded Spacers for Keyed Shafts

Also known as arbor spacers, these are notched to space components on a keyed shaft.

Ring Shim Assortments

Shim Assortments for Lengthening Shoulder Screws

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

Ring Shim Assortments

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

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.