Plates | McMaster-Carr

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Cal/OSHA Compliant Title 8 Section 3337

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37,964 Products

Raw Materials

Aluminum

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

3,700 products

Steel

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

3,799 products

Stainless Steel

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

2,664 products

Plastic

A lightweight alternative to metal and glass

6,747 products

Copper

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

714 products

Brass

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

527 products

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

132 products

Garolite

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

1,346 products

Carbon Fiber

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

134 products

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

265 products

Bronze

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

210 products

Nickel

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

95 products

Rubber

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

4,122 products

Fiberglass

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

210 products

Titanium

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

85 products

Lead

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

63 products

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

2,526 products

Graphite

Compressible or conductive for making high-temperature seals, furnace parts, and crucibles

46 products

Wood

Commonly used to build ramps, crates, and prototypes or to make repairs

154 products

Tungsten

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

20 products

Aramid

Strong, lightweight, and an excellent thermal insulator; also known as Nomex

10 products

Mica

An electrical insulator that resists high temperatures; use in circuit breakers and heating elements

51 products

Carbon

An electrical conductor that’s often used in electronics and sensors

21 products

Zinc

Draws corrosion away from nearby metal; an alternative to lead for sound barriers and vibration dampers

19 products

Hard Fiber

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

62 products

Kevlar

Super tough for protection against prolonged wear and abrasion

5 products

Molybdenum

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

16 products

Platinum

Formable and conductive while resisting extreme heat—all with material certificates for traceability

4 products

Cobalt

Resists impact and rapid temperature changes—all with material certificates for traceability

5 products

Tantalum

Conductive with a higher melting point than most metals—all with material certificates for traceability

4 products

Niobium

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

6 products

Building and Machinery Hardware

Floor Plates

Add permanent slip resistance to floors, ramps, stairs, and docks

36 products

Bar Grating

Create a raised surface for safe travel over trenches, walkways, and stairs

356 products

Bar Grating Clips

Secure grating to your support structure

40 products

Stair Treads

Replace stair treads in a stairway

104 products

Stair Tread Covers

Cover the tops of steps with a protective, slip-resistant surface

8 products

Stair Nosing

Cover step edges to protect them from damage and create a slip-resistant surface

6 products

Floor Mats

Set down in work areas to provide traction and comfort, trap dirt, absorb moisture, and drain water

2 products

Strut Channel Framing and Fittings

Secure fittings in the U-shaped channel to route conduit and pipe or build other structures

1,330 products

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

634 products

Bolt-Together Framing and Fittings

Fasten through equally spaced holes to build and adjust guards, tables, and racks

46 products

Locking-Slotted Framing and Fittings

Make platforms, bases, and other structures that stand up to more movement than T-slotted framing

6 products

Brackets

Connect surfaces in an assembly

350 products

Panel Hanging Brackets

Mount and remove panels

123 products

Wear Plates

Often used on conveyors to reduce friction where parts bump into equipment to extend service life

19 products

Door Kick Plates

Protect door bases from foot traffic and equipment; also known as armor and mop plates

50 products

Door Edge Plates

Reinforce door edges to guard them against damage from foot traffic and equipment

18 products

Magnetic Latches

Stop storage cabinets from swinging open when shut

144 products

Door Strike Plates

Reinforce the area where the latch meets the frame to protect it from friction

15 products

Door Latch Guards

Cover the gap between your door and frame to prevent the latch from being pried open

10 products

Door Lock Plates

Temporarily secure doors with a padlock when repairing or replacing their handle

1 product

Electric Door Strike Plates

Release the latch when activated by a switch, keypad, or card reader

8 products

Electromagnetic Locks

Control who enters through doors using a switch or keypad without replacing internal hardware

14 products

Turntables

Rotate to reposition machinery and equipment

94 products

Positioning Arm Mounts

Add a mounting surface to positioning arms

4 products

Teach Pendant Holders

Store teach pendants conveniently near robots but out of harm’s way

4 products

Door Hole Covers

Eliminate gaps around handles and deadbolts, or conceal holes after removing handles

8 products

Strip Door Mounting Plates

Bolt or press door strips on these plates to create strip doors

32 products

Door Handle and Knob Guards

Prevent unauthorized entry by blocking access to the knob

1 product

Door Handle and Knob Mounts

Reinforce your door handle assembly to guard against forced entry

18 products

Door Push and Pull Plates

Protect doors from wear while adding an easy-to-open handle

21 products

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

12 products

Communication

Message Plates

Fasten to doors, walls, and plate holders to identify locations and objects

280 products

Message Plate Holders

Mount on doors, walls, and desks to display message plates

4 products

Tags

Hang throughout facilities to convey information

586 products

Legend Plates

Mark switches and lights on control panels for easy identification

59 products

Pipe Markers

Identify pipe contents and flow in a range of environments

3 products

Signs

Everything from accident prevention to traffic control to exit signs

635 products

Fastening and Joining

Shim Stock

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

1,260 products

Shims

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

12 products

Weld Nuts

Weld to metal surfaces to add permanent threads

12 products

Welding Plates

Create a custom dam or mold to control metal flow while welding

8 products

Adhesives

Bond surfaces together

1 product

Fabricating and Machining

T-Slot Fixture Plates

Position workpieces with T-slot nuts, bolts, and setup studs for precise machining

4 products

T-Slot Covers

Snap into T-slots to block chips, debris, and small parts from falling in

6 products

Angle Plates

Ensure accurate right angles and hold workpieces and fixtures perpendicular to your machine table

61 products

Grid Fixture Plates

Use threaded and unthreaded holes to position workpieces for precise and repeatable machining

1 product

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

42 products

Fixture Squares

Build different fixtures on multiple sides of the same block

21 products

Rotary Tables

Rotate your work 360° for easy access to different angles

6 products

Part Presentation Plates

Attach to stands to position parts exactly where they're needed for workers and robots

5 products

Sine Plates

Use with gauge blocks to measure angles on your workpiece or set up a part for precision grinding

4 products

Rotary Table Chuck Mounting Kits

Everything you need to precisely mount lathe chucks to rotary tables

10 products

Casting Metals

Melt and pour into molds to make metal parts and prototypes

11 products

Lapping Plates

Pair with lapping compounds to create extremely flat surfaces on workpieces

8 products

Press Plates

Lay on the crossbeams of presses to make a sturdy base for removing bearings, bushings, and arbors

4 products

Vacuum Workholding Plates

Secure parts too thin to be held in clamps and vises for milling, drilling, routing, and finishing

8 products

Clamps

Hold workpieces securely in place

8 products

Welding Positioners

Mount workpieces for circular welds

4 products

Magnetic Workholding Plates

Keep metal workpieces firmly in place for grinding, drilling, and electrical discharge machining

72 products

Hot Plates

Heat glass or metal containers with precise temperature control

94 products

Oscillating Tool Sanding Pads

Set up your oscillating tool to sand surfaces

6 products

Material Handling

U-Bolt Plates

Reinforce mounted U-bolts for a more secure hold

203 products

U-Bolts

Anchor heavy pipe, tube, and conduit; stronger than routing clamps and hangers

310 products

Threaded Rod Mounts

Hang threaded rod from ceilings, walls, beams, and joists

26 products

Screw Jack Mounts

Stabilize screw jacks to support loads

4 products

Lift Tables

Lift material to a comfortable working height and adjust as needed

99 products

Vacuum Lifter Accessory and Replacement Parts

Add accessories such as sensors or replace cups and other parts on your vacuum lifter

3 products

Ball Transfer Plate Covers

Place a smooth surface over ball transfer plates so small items won't get caught between

18 products

Ball Transfer Plates

Rest on flat surfaces to create platforms for conveying, rotating, and positioning heavy objects

24 products

Conveyor Roller Gap Covers

Cover the gap between conveyor rollers so items don't fall through or get stuck

1 product

Magnetic Conveyor Belt Plates

Keep ferrous objects in place as they move along your conveyor belt

33 products

Robot Workstations

Create a portable working home for your robot arm

2 products

Robot Mounts

Secure your robot arm to benches, frames, or other surfaces

2 products

Steps

Mount where you need them instead of dragging over a step stool every time

43 products

Ramps

Create a walkway to maneuver equipment over curbs, thresholds, and on-and-off trailers

20 products

Webbing Guides

Prevent webbing from twisting and use as anchor points; also known as footman's loops

5 products

Dock Plates

Temporarily position between docks and trucks to bridge gaps

37 products

Caster Sockets

Mount on the inside corners of channel and other framing to attach stem casters

19 products

Electrical

Wall Plates

Cover switches and outlets for a finished look or to close them off when not in use

114 products

Electrical Cord Reel Bases

Swivel cord reels to access cords from different angles

1 product

Electrical Cords

Connect equipment and devices to a power supply

2 products

Outlet Box Covers

Enclose wiring for outlets and switches or block off unused components

86 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

210 products

Outlet Box Extenders

Add depth to an outlet box when there’s not enough space for components

50 products

Electrical Enclosure Panels

Mount and connect components inside enclosures

150 products

Cable and Hose Carrier Accessories

Move cable and hose carriers alongside robot arms without obstructing movement

19 products

Circuit Boards

Create your own circuit board designs by adding components

72 products

Electrical Component Heat Sinks

Remove excess heat to protect circuit boards, semiconductors, and other electrical components

50 products

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Containers, Storage, and Furniture

Metal Panels

Close off openings in structures while allowing air to pass through

254 products

Well Plates

Collect, mix, and store up to 96 individual samples within a single container

9 products

Locker Number Plates

Label lockers with numbers

8 products

Fluid Handling

Perforated Sheets

Filter, sort, separate, and strain liquid or dry material

237 products

Cold Plates

Cool equipment through direct contact by connecting to cold liquid lines

12 products

Drum Base Heaters

Quickly heat a drum’s contents without having to wrap or stick other heaters on them

2 products

Pump Baseplates

Raise pumps off of floors to prevent motor damage from floods or spills and to minimize vibration

8 products

Measuring and Inspecting

Coordinate Measuring Machine Plates and Fixtures

Raise workpieces and position them on a fixture plate

125 products

Surface Plates

Extremely flat to give an accurate reference plane for layout and inspection work

51 products

Surface Plate Covers

Protect the flatness and finish of surface plates in storage

5 products

Surface Plate Stands

Hold up surface plates at precise support points to maintain accuracy

16 products

Calibration Squares

Lay horizontally or vertically on CNC machines to check the position of tools with high precision

2 products

Inspection Mirrors

Reach around corners and obstructions to inspect hard-to-see areas

1 product

Color Calibrators

Calibrate your color meter to identify colors with precision

1 product

Inspection Setup Blocks

Line up workpieces at precise heights and angles for machining, measuring, and inspecting

2 products

Facility and Grounds Maintenance

Drain Cleanout Hole Covers

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

26 products

Floor Drain Covers

Put a lid on open drains to prevent accidents and injuries

4 products

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

46 products

Manhole Covers

Made of cast iron to handle high-volume foot and vehicle traffic.

6 products

Manhole Riser Rings

Raise a manhole cover to make it level with the surface

4 products

Drain Cleanouts

Create an access point to inspect and clean floor drain pipelines

3 products

Food Service Plates

Disposable or reusable plates

7 products

Surface Plate Cleaners

Remove dirt and grease from granite surface plates without leaving a residue

3 products

Sealing

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

631 products

Power Transmission

Turntable Bearings

Support machinery that slowly turns or oscillates, such as a rotating hoist

53 products

Bearing Heaters

For correct installation on shafts, heat bearings to expand them

1 product

Timing Belt End Plates

Fasten timing belt ends together or to flat surfaces in conveyor and other linear motion systems

12 products

Safety Equipment

Welding Lens Magnifiers

Attach to welding lenses to enhance details

8 products

Welding Lenses

Replace the lens in your welding helmet or goggles

65 products

Lens Covers

Protect filter lenses from scratches and weld spatter

2 products

ADA Warning Plates

Alert individuals with visual impairments to an upcoming intersection or an edge of a walkway

16 products