Disc Shims | McMaster-Carr

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System of Measurement

ID

OD

Material

Stainless Steel

Tungsten Carbide

Screw Size

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"

Washer Type

Finish

Corrosion-Resistant Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Performance

Abrasion Resistant

Chemical Resistant

Corrosion Resistant

Electrically Insulating

Extreme Vibration Resistant

Finish-Your-Own

High Temperature

Impact Resistant

Low Temperature

Moisture Resistant

Precision Adjust

Shape

Color

Length

Hardness

Washer Designation

General Purpose

Specifications Met

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Shaft Diameter

ASME Designation

Maximum Temperature

Less than 200° F

200° F to 249° F

250° F to 499° F

500° F to 999° F

1,000° F or greater

Sold As

Magnetic Properties

May Be Mildly Magnetic

Minimum Hardness

How can we improve?

9,703 Products

Shims

Round Shims

Shims

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

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 Dies

Shim Assortments for Dies

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

Wide-Rim Shims

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

Shims for Lengthening Screw Shoulders

Shims for Lengthening Screw Shoulders

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

Shim Assortments

Shim Assortments

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

Peel-Away Multilayer Shims

Peel-Away Multilayer Shims

Peel off the layers until you reach your desired thickness

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 Keyed Shafts

Shims for Keyed Shafts

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

Shims for Ball Bearing Outer Rings

Shims for Ball Bearing Outer Rings

Spread load between multiple bearings to boost their efficiency on shafts

Shims for Ball Bearing Housings

Shims for Ball Bearing Housings

Secure bearings in stamped, molded, or worn housings

Shims for Dies

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

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

Shims for D-Profile Shafts

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

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 for Lengthening Screw Shoulders

Shim Assortments for Lengthening Screw Shoulders

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

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

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Drill Bushings

Fit in holes to guide drill bits and other cutting tools for precise and repeatable holes and cuts

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Fastener Assortments

Fastener Assortments

Keep a variety of common screws, nuts, and washers on hand

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Die Bushings

Guide pins and punches in molds and stamping dies or reduce friction between ejector pins and plates

Spacers

Unthreaded to create space between two surfaces or objects, often to align them

Unthreaded Inserts

Unthreaded Inserts

Reinforce, align, and adjust joints as you tighten a fastener

Battery-Terminal Washers

Battery-Terminal Washers

Stop battery acid fumes from corroding terminal posts

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