Metal Shims | McMaster-Carr

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Chromate Conversion Coated

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DFARS Specialty Metals

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Compliant with Exemptions

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REACH

Compliant

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

Yes

Export Control Classification Number (ECCN)

Magnetic Properties

May Be Mildly Magnetic

End Shape

For Maximum Screw Size

Minimum Hardness

22,975 Products

Fastening and Joining

Shims

Align and space components on shafts, or level machinery, cabinets, and doors

3,867 products

Shim Stock

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

1,066 products

Washers

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

3,957 products

Lock Washers

Resist vibration to prevent fasteners from loosening

1,650 products

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

265 products

Sealing Washers

Prevent fluids from leaking around fasteners

371 products

Finishing Washers

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

142 products

Cross-Bracing Washers

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

20 products

Spacers

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

3,344 products

Standoffs

Separate, position, or connect components in assemblies

289 products

Thread Adapters

Join threads of a different type, size, and gender

3,598 products

Fastener Assortments

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

12 products

Unthreaded Inserts

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

69 products

Fabricating and Machining

Drill Bushings

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

4,046 products

Die Bushings

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

102 products

Broach Shims

Slide between a keyway broach and bushing to control the keyway's depth when cutting more than once

29 products

Clamp Holding Washers

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

12 products

Building and Machinery Hardware

Padlock Shims

Slide between the shackle and body to open padlocks that are damaged or missing keys

1 product

Power Transmission

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Electrical Power, Networking, and Controlling

Electrical-Terminal Washers

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

6 products

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Communication

Tag Washers

Bolt onto surfaces to mount tag rings and ties

18 products

Material Handling

Tie-Down Washers

Angled sides align and hold tie-down straps

5 products