Metal Discs | McMaster-Carr

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For Use On

System of Measurement

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Shape

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Screw Size

Performance

Electrically Insulating

Mount Type

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Specifications Met

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

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DFARS Specialty Metals

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Corrosion-Resistant Coated

Abrasive Material

Aluminum Oxide/Cotton Laminate Blend

Aluminum Oxide/Silicon Carbide Blend

Aluminum Oxide/Zirconia Alumina Blend

Nylon Mesh/Aluminum Oxide

Nylon Mesh/Silicon Carbide

Screen Material

Bristle Material

Stud Material

19,914 Products

Most Likely Products

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

434 products

Steel

Strong, machinable, and weldable—all with material certificates for traceability

2,720 products

Sanding Discs

Add to sanders, floor buffers, and other tools to smooth out workpieces and remove paint and rust

1,829 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

924 products

Washers

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

3,216 products

All Results

Raw Materials

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

434 products

Steel

Strong, machinable, and weldable—all with material certificates for traceability

2,720 products

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

924 products

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

148 products

Brass

More machinable than copper and bronze—all with material certificates for traceability

166 products

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

16 products

Bronze

Better wear resistance than copper and brass—all with material certificates for traceability

225 products

Titanium

The most corrosion-resistant metal we offer—all with material certificates for traceability

61 products

Tungsten

Our densest metal resists wear and heat to make end mills, heat shields, electrodes, and more

199 products

Nickel

An upgrade from stainless steel to withstand harsh chemicals and acids—all with material certificates for traceability

84 products

Molybdenum

Retains its shape and strength in extreme temperatures—all with material certificates for traceability

22 products

Niobium

Conductive and corrosion resistant even at extreme temperatures—all with material certificates for traceability

4 products

Fabricating and Machining

Sanding Discs

Add to sanders, floor buffers, and other tools to smooth out workpieces and remove paint and rust

1,829 products

Retaining Nuts for Backup Pads

Thread onto your tool’s arbor to hold a sanding disc against the backup pad

3 products

Rotary Sanding Pads

Reach into pipes, tubes, corners, and slots to smooth their surfaces and remove paint and rust

9 products

Grinding Wheels

Add to grinders to remove material from work surfaces using abrasion

605 products

Grinding Wheel Dressers

Clean grinding wheels and expose fresh grains to rejuvenate their cutting ability

20 products

Cutoff Wheels

Install in grinders to cut through metal, concrete, and ceramics

317 products

Grinding Bits

Pair with grinders for light material removal and precision grinding

476 products

Rotary Tool Blades

Replace the blade on your Dremel rotary tool

33 products

Rotary Tool Cutoff Wheels

Replace the cutoff wheel on your Dremel rotary tool

27 products

Cup Brushes

Wider diameters than end brushes clean flat surfaces with more surface area

14 products

Wheel Brushes

Bristles on the edge of the wheel clean, sand, and debur targeted areas

333 products

Spiral Saw Cutoff Wheels

Attach to your RotoZip spiral saw to make straight cuts

2 products

Cutoff Saw Wheels

Replace the wheel on your cutoff saw

74 products

Lapping Film

Polish workpieces without the mess of pastes and slurries

57 products

Buffing and Polishing Pads

Remove imperfections and apply protective coatings on delicate surfaces

8 products

Buffing and Polishing Wheel Flanges

Connect wheels with a center hub to bench grinders and buffers

4 products

Buffing and Polishing Wheels

Remove surface imperfections to achieve a precise, flat finish

25 products

Buffing and Polishing Wheel Cleaning Rakes

Remove dried compound and recondition your wheels

2 products

Buffing Kits

Everything you need to remove scratches and surface imperfections with a buffer or polisher

1 product

Sanding Disc Trimmers

Save the usable inner part of worn sanding discs by cutting the perimeter down a size

8 products

Fastening and Joining

Washers

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

3,216 products

Finishing Washers

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

125 products

Lock Washers

Resist vibration to prevent fasteners from loosening

457 products

Sealing Washers

Prevent fluids from leaking around fasteners

242 products

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

195 products

Shims

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

2,727 products

Magnets

Attract or repel metal objects to hang, secure, or position them

732 products

Masking Tape

Temporarily join or protect surfaces

16 products

Power Transmission

Disc Springs

Maintain tension and separate components on shafts, under bolt heads, and at the ends of valves

1,661 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

21 products

Fluid Handling

Filter Mesh

Strain particles out of various substances

213 products

Sintered Filters

Tiny holes let particles such as air, gas, and vapor pass through while trapping contaminants

8 products

Pressure-Relief Discs

Rupture at a set pressure or temperature to vent fluid and gas and protect machinery; one-time use

27 products

Heating Elements

Turn electrical current into heat

9 products

Facility and Grounds Maintenance

Drain Cleanout Hole Covers

Conceal drain cleanout plugs in walls and floors while keeping them accessible

24 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

957 products

Protective Feet

Add to furniture and light equipment to protect floors from scratches and wear

26 products

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