Steel Shim Washers | McMaster-Carr

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	System of Measurement System of Measurement

	ID ID

	Thickness Thickness

	Width Width

	Material Material

1008-1010 Carbon Steel

1074-1095 Spring Steel

4140 Alloy Steel

	Shape Shape


Ring	D-Profile

Keyed	Made to Order

Slotted

	Individual/Set Individual/Set

	Minimum Hardness Minimum Hardness

	For Shoulder Diameter For Shoulder Diameter

	For Screw Size For Screw Size

	Finish Finish

Hot-Dipped Galvanized

	For Shaft Diameter For Shaft Diameter

	Keyed Shim Type Keyed Shim Type


With Notch	With Tab

	Notch Width Notch Width

	Notch Depth Notch Depth

	Maximum Shim Size Maximum Shim Size

	Number of Pieces Number of Pieces

	Specifications Met Specifications Met

DIN

Fed. Spec.

	Number of Slots Number of Slots

	Tab Depth Tab Depth

	Flat Width Flat Width

	Tab Width Tab Width

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908 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.

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 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.

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 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.

Multi-Slotted Shims

Multi-Slotted Shims

Multi-Slotted Shims

Use a single shim on feet or positioning arms that are secured with multiple fasteners. The slots let you insert, remove, and adjust the shims without disassembling your machinery. Also known as finger shims.

Made-to-Order Shims

Made-to-Order Shims

Send us a drawing, and we'll cut your custom shim.

Ring Shim Assortments

Shim Assortments for Button Dies

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

Ring Shim Assortments

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

Shim Assortments for
Lengthening Shoulder Screws

Shim Assortments for Lengthening Shoulder Screws

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

Shim Assortments for
Shortening Shoulder Screws

Shim Assortments for Shortening Shoulder Screws

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

Metric Leveling Washers for I-Beams

Metric Leveling Washers for I-Beams

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)