Metal Discs | McMaster-Carr

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Material

Aluminum Oxide/Cotton Laminate Blend

Aluminum Oxide/Silicon Carbide Blend

Aluminum Oxide/Zirconia Alumina Blend

For Use On

System of Measurement

Diameter

Shape

Length

OD

ID

Thickness

0.005" to 0.024"

0.005" to 0.030"

0.008" to 0.02"

Screw Size

Mount Type

Quick-Change Connector

Unthreaded Hole

Tolerance Rating

Performance

Abrasion Resistant

Bearing Quality

Chemical Resistant

Corrosion Resistant

Crack Resistant

Fatigue Resistant

Finish-Your-Own

Specifications Met

California AB1953

Federal Specification

NACE MR0175/ISO 15156

U.S. Congressional Act

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Grit

Export Control Classification Number (ECCN)

Hardness

Durometer 50 OO

Durometer 70 OO

Washer Type

Finish

Aluminum Laminated

Black Zinc Plated

Corrosion-Resistant Coated

Phosphate Coated

Threadlocker 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

Silicon Carbide

Tungsten Carbide

Screen Material

316 Stainless Steel

Bristle Material

Phosphor Bronze

Stainless Steel

Stud Material

Stainless Steel

How can we improve?

19,741 Products

Most Likely Products

Aluminum

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

Steel

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

Sanding Discs

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

Stainless Steel

Stainless Steel

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

Washers

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

All Results

Raw Materials

Aluminum

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

Steel

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

Stainless Steel

Stainless Steel

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

Copper

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

Brass

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

Lead

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

Bronze

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

Titanium

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

Tungsten

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

Nickel

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

Molybdenum

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

Niobium

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

Fabricating and Machining

Sanding Discs

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

Sanding Pads

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

Grinding Wheels

Grinding Wheels

Add to grinders to remove material from work surfaces using abrasion

Grinding Wheel Dressers

Grinding Wheel Dressers

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

Cutoff Wheels

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

Grinding Bits

Pair with grinders for light material removal and precision grinding

Rotary Tool Blades

Rotary Tool Blades

Replace the blade on your Dremel rotary tool

Rotary Tool Cutoff Wheels

Rotary Tool Cutoff Wheels

Replace the cutoff wheel on your Dremel rotary tool

Rotary Tool Accessories

Rotary Tool Accessories

Complete a wide range of cutting, grinding, and sanding tasks with your rotary tool

Wire Brushes

Scrub by hand or connect to power tools to clean, polish, deburr, and remove rust

Spiral Saw Cutoff Wheels

Spiral Saw Cutoff Wheels

Attach to your RotoZip spiral saw to make straight cuts

Cutoff Saw Wheels

Cutoff Saw Wheels

Replace the wheel on your cutoff saw

Lapping Film

Polish workpieces without the mess of pastes and slurries

Buffing and Polishing Pads

Buffing and Polishing Pads

Remove imperfections and apply protective coatings on delicate surfaces

Buffing and Polishing Wheel Flanges

Buffing and Polishing Wheel Flanges

Connect wheels with a center hub to bench grinders and buffers

Buffing and Polishing Wheels

Buffing and Polishing Wheels

Remove surface imperfections to achieve a precise, flat finish

Buffing and Polishing Wheel Cleaning Rakes

Buffing and Polishing Wheel Cleaning Rakes

Remove dried compound and recondition your wheels

Buffing Kits

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

Sanding Disc Trimmers

Sanding Disc Trimmers

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

Fastening and Joining

Washers

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

Finishing Washers

Finishing Washers

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

Lock Washers

Resist vibration to prevent fasteners from loosening

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Leveling Washers

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

Shims

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

Magnets

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

Masking Tape

Temporarily join or protect surfaces

Power Transmission

Disc Springs

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

Bearing Lock Washers

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

Fluid Handling

Filter Mesh

Strain particles out of various substances

Sintered Filters

Sintered Filters

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

Pressure-Relief Discs

Pressure-Relief Discs

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

Heating Elements

Heating Elements

Turn electrical current into heat

Facility and Grounds Maintenance

Drain Cleanout Hole Covers

Drain Cleanout Hole Covers

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

Drain Cleanouts

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

Building and Machinery Hardware

Bumpers

Absorb impact to protect equipment and surfaces from dents and scuffs

Protective Feet

Protective Feet

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

Communication

Tags

Hang throughout facilities to convey information

Sealing

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Electrical

Electrical-Terminal Washers

Electrical-Terminal Washers

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

Wire and Cable Stripper Blades

Wire and Cable Stripper Blades

Snap into cordless wire strippers to quickly and safely remove insulation

Containers, Storage, and Furniture

Sanding Abrasive Dispensers

Sanding Abrasive Dispensers

Organize your sanding rolls so they're ready to grab and go

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