Round Shims | McMaster-Carr

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System of Measurement

ID

OD

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"

0.008" to 0.012"

0.008" to 0.02"

Material

Stainless Steel

Screw Size

Washer Type

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Finish-Your-Own

High Temperature

Impact Resistant

Low Temperature

Moisture Resistant

Precision Adjust

Hardness

Shaft Diameter

Length

Color

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Specifications Met

Sold As

Washer Designation

General Purpose

Minimum Hardness

Magnetic Properties

May Be Mildly Magnetic

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Shaft Type

Width

Overall Height

How can we improve?

11,421 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 Dies

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

Shims for Ball Bearing Outer Rings

Shims for Ball Bearing Outer Rings

Spread load between multiple bearings to boost their efficiency on shafts

Shim Assortments

Shim Assortments

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

Shims for Lengthening Screw Shoulders

Shims for Lengthening Screw Shoulders

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

Shim Assortments for Dies

Shim Assortments for Dies

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

Peel-Away Multilayer Shims

Peel-Away Multilayer Shims

Peel off the layers until you reach your desired thickness

Finish-Your-Own Shims

Finish-Your-Own Shims

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

Shims for Keyed Shafts

Shims for Keyed Shafts

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

Shims for D-Profile Shafts

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

Shims for Ball Bearing Housings

Shims for Ball Bearing Housings

Secure bearings in stamped, molded, or worn housings

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 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

Other Products

Washers

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion from mating different metals

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

Finishing Washers

Finishing Washers

Screw heads sit flush to prevent snagging and to create a neat, finished appearance

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Electrical-Terminal Washers

Electrical-Terminal Washers

Prevent wires from slipping out from under screw heads to keep electrical connections intact

Clamp Holding Washers

Clamp Holding Washers

Replace worn washers on open-arm toggle clamps to keep holding screws in place

Cross-Bracing Washers

Cross-Bracing Washers

Connect cross-bracing rods or cables to structural beams; also known as hillside washers

Tie-Down Washers

Tie-Down Washers

Angled sides align and hold tie-down straps

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