Shim Spacers | McMaster-Carr

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System of Measurement

Thickness

0.001" to 0.003"

0.002" to 0.004"

0.004" to 0.006"

0.005" to 0.006"

0.005" to 0.024"

0.005" to 0.030"

Material

Stainless Steel

ID

OD

Screw Size

Washer Type

Shape

Finish

Chromate Conversion Coated

Corrosion-Resistant Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Performance

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Finish-Your-Own

High Temperature

High Visibility

Impact Resistant

Low Temperature

Moisture Resistant

Length

Width

Color

Hardness

Specifications Met

Federal Specification

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

Washer Designation

General Purpose

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Form

Sold As

Shaft Diameter

Slot Width

How can we improve?

10,125 Products

Shims

Round Shims

Shims

Razor-thin tolerances for precise aligning, spacing, and leveling

Wide-Rim Shims

Spread loads across a wider surface area than standard shims to minimize wear between components

Shims for Shortening Screw Shoulders

Shims for Shortening Screw Shoulders

Pare down the shoulder on shoulder screws to tighten the hold on components

Shims for Ball Bearing Outer Rings

Shims for Ball Bearing Outer Rings

Spread load between multiple bearings to boost their efficiency on shafts

Peel-Away Multilayer Shims

Peel-Away Multilayer Shims

Peel off the layers until you reach your desired thickness

Shims for Lengthening Screw Shoulders

Shims for Lengthening Screw Shoulders

When shoulders come up short, extend the shoulder length on your screw

Shims for Keyed Shafts

Shims for Keyed Shafts

Notched or tabbed to fit keyed shafts with or without a key inserted

Shims for Dies

Restore your die to its original height for clean cuts in metal stamping

Shims for D-Profile Shafts

With a partially flat inside surface, shims won’t spin out of place on D-profile shafts

Finish-Your-Own Shims

Finish-Your-Own Shims

Punch a hole to create a custom ID for uncommon shaft, arbor, and fastener sizes

Shim Assortments for Shortening Screw Shoulders

Shim Assortments for Shortening Screw Shoulders

Customize your shoulder lengths by keeping multiple shoulder-shortening shim sizes on hand

Shim Assortments for Keyed Shafts

Shim Assortments for Keyed Shafts

Keep multiple shim thicknesses on hand for keyed shafts and arbors that have a key inserted

Shim Assortments for D-Profile Shafts

Keep multiple shim thicknesses on hand that won’t spin out of place on D-profile shafts

Shim Assortments

Shim Assortments

Keep multiple shim thicknesses on hand for precise aligning, spacing, and leveling

Shim Assortments for Lengthening Screw Shoulders

Shim Assortments for Lengthening Screw Shoulders

Customize your shoulder lengths by keeping multiple shoulder-lengthening shim sizes on hand

Shim Assortments for Dies

Shim Assortments for Dies

Keep a variety of shim ODs on hand to fit various die sizes

Shims for Ball Bearing Housings

Shims for Ball Bearing Housings

Secure bearings in stamped, molded, or worn housings

Slotted Shims

Slotted Shims

Slip around mounting fasteners to align components and machinery without having to disassemble them

Large-Adjust Slotted Shims

Large-Adjust Slotted Shims

Best for filling large gaps to align cabinets, doors, and windows

Slotted Shim Assortments

Slotted Shim Assortments

Keep multiple shim thicknesses on hand to align components and machinery without disassembling them

Multislotted Shims

Multislotted Shims

Streamline leveling machines and positioning arms with multiple, evenly spaced mounting fasteners

Heavy Duty Large-Adjust Slotted Shims

Heavy Duty Large-Adjust Slotted Shims

Keep their shape under heavy loads to fill large gaps for aligning hefty machinery, cabinets, and safes

Multislotted Shim Assortments

Multislotted Shim Assortments

Keep various shim thicknesses on hand to level equipment with multiple, evenly spaced fasteners

Breakaway Slotted Shims

Breakaway Slotted Shims

Break off the scored sections for the length you need

Shims for Hinges

Shims for Hinges

Say goodbye to annoying sticking, binding, or rubbing doors

Secure-Stack Slotted Shims

Secure-Stack Slotted Shims

Snap together and they’ll stay securely stacked to maintain alignment

Rectangular Shims

Breakaway Rectangular Shims

Breakaway Rectangular Shims

Easily break off pieces for a custom fit around fasteners or corners

Rectangular Shims

Rectangular Shims

Sized to fill wide gaps for aligning cabinets, doors, and windows

Wash-Away Shims

Wash-Away Shims

Create gaps between plates, flanges, and pipes while welding and then dissolve shims with water

Tapered Shims

Heavy Duty Tapered Shims

Heavy Duty Tapered Shims

Keep their shape under heavy loads—originally designed for use on pick-up trucks

Tapered Shims

Wedge into gaps to quickly level cabinets, doors, and windows

Slotted Tapered Shims

Slotted Tapered Shims

Level cabinets, doors, and windows without disassembling fasteners or stacking multiple flat shims

Made-to-Order Shims

Made-to-Order Shims

Made-to-Order Shims

If you need a unique shim shape or size, we’ll precision cut it for you

Peel-Away Multilayer Made-to-Order Shims

Peel-Away Multilayer Made-to-Order Shims

If you need a unique peel-away shim shape or size, we’ll precision cut it for you

Other Products

Washers

Nearly every size and shape imaginable, from flat washers to clipped to curved

Shim Stock

Cut into custom shapes to align, space, and level components on dies, presses, and machinery

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