Plastic Discs | McMaster-Carr

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Electrically Insulating

DFARS Specialty Metals

Compliant

Exempt

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

Yes

RoHS

Compliant

Compliant with Exemptions

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REACH

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Abrasive Backing Material

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Formulation

6,863 Products

Fabricating and Machining

Sanding Discs

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

1,341 products

Sanding Disc Cushioning Pads

Add between your sanding disc and backup pad for a finer finish

4 products

Sanding Blocks

For better control than powered sanders, sand surfaces manually

6 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

53 products

Grinding Wheels

Add to grinders to remove material from work surfaces using abrasion

2 products

Rotary Tool Cutoff Wheels

Replace the cutoff wheel on your Dremel rotary tool

18 products

Rotary Tool Blades

Replace the blade on your Dremel rotary tool

17 products

Cup Brushes

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

26 products

Wheel Brushes

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

328 products

Buffing and Polishing Pads

Remove imperfections and apply protective coatings on delicate surfaces

24 products

Buffing Kits

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

10 products

Buffing and Polishing Wheels

Remove surface imperfections to achieve a precise, flat finish

10 products

Polishing Bonnets

Remove swirl marks and imperfections from a surface after buffing

1 product

Cutoff Saw Wheels

Replace the wheel on your cutoff saw

69 products

Spiral Saw Cutoff Wheels

Attach to your RotoZip spiral saw to make straight cuts

2 products

Lapping Film

Polish workpieces without the mess of pastes and slurries

20 products

Raw Materials

Plastic

A lightweight alternative to metal and glass

1,359 products

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

312 products

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

166 products

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

29 products

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

60 products

Lead

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

1 product

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

8 products

Fastening and Joining

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

89 products

Washers

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

1,203 products

Insulating Washers

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

252 products

Sealing Washers

Prevent fluids from leaking around fasteners

38 products

Lock Washers

Resist vibration to prevent fasteners from loosening

9 products

Finishing Washers

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

14 products

Shims

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

183 products

Masking Tape

Temporarily join or protect surfaces

90 products

Mounting Tape

Mount everything from signs and panels to carpet and padding

17 products

Mounting Adhesives

Mount objects with a range of adhesives, including glue-on-a-roll and glue shapes

1 product

Magnets

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

26 products

Hook and Loop

Press interlocking pieces together to join materials

40 products

Snap-Together Fasteners

Mate the mushroom-shaped heads to join materials together with more holding power than hook and loop

4 products

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

336 products

Protective Feet

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

76 products

Sealing

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

20 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

109 products

Fluid Handling

Filter Paper

Remove particles from liquids in lab testing and other filtration applications

14 products

Sintered Filters

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

9 products

Filter Mesh

Strain particles out of various substances

4 products

Tube Fitting Rings

Snap onto push-to-connect fittings to identify different tubing lines

13 products

Communication