Metric Shim Washers | McMaster-Carr

	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

	Magnetic Properties Magnetic Properties

May Be Mildly Magnetic

Magnetic

Nonmagnetic

	Minimum Hardness Minimum Hardness

	Specifications Met Specifications Met

DIN

ISO

ASTM

	Overall Height Overall Height

	Finish Finish

Hot-Dipped Galvanized

Black

Zinc Plated

	Hardness Hardness

	For Shoulder Diameter For Shoulder Diameter

	Tab Width Tab Width

	Sleeve OD Sleeve OD

	For Bearing Nut Face Style For Bearing Nut Face Style

Chamfered

Stepped

	Color Color

	White
	Off-White

	Tab Depth Tab Depth

	For Bearing Nut Specifications Met For Bearing Nut Specifications Met

DIN 981

DIN 1804

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1,029 Products

Fasteners

Ring Shims

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

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.

Spring Lock Washers for Slotted Bearing Nuts

Designed for use with bearing nuts, these lock washers have a conical shape that presses like a spring against bearings, bushings, gears, and pulleys to hold them in place on your threaded shaft or spindle.

Belleville Spring Lock Washers for Socket Head Screws

These washers have smaller outside diameters than standard spring lock washers to fit neatly under socket head cap screws.

Spring Lock Washers for Plastic Screws

Designed for use with plastic screws, these acetal washers are good electrical insulators. They are excellent for use under water and in rotating assemblies.

Metric Spring Lock Washers

The arched shape of these washers presses up against a bolt and down against a nut to prevent loosening from wear, vibration, or temperature changes.

Metric Tab Lock Washers

Bend the tab of these metric lock washers against the flats of a hex nut or bolt head to prevent the fastener and washer from turning and loosening due to vibration, wear, or changes in temperature.

Metric Washers for Structural Applications

These thick washers are designed to support structural screws, studs, and nuts.

Sleeve Washers for Soft Material

Reinforce holes in soft material to keep them from collapsing around screws.

Electrical-Insulating Sleeve Washers

Also known as shoulder washers.

Extra-Tall Electrical-Insulating
Rolled-Collar Sleeve Washers

The extra-tall sleeve extends into holes to provide more protection than other rolled-collar washers.