Metal Gaskets | McMaster-Carr

Filter by

Material

Performance

System of Measurement

Pipe Size

Shape

Panel-Mount Mil. Spec. Connector

For Flange ANSI Class

Thickness

Maximum Temperature

Color

For Use With

Diluted Salt Solutions

Screw Size

Width

REACH

RoHS

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

Finish

Corrosion-Resistant Coated

Filler Material

For Use On

Core Material

O-Ring Material

Seal Material

Formulation

8,033 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

274 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

242 products

EMI/RFI Shielding Gaskets

Fit around enclosure doors or data connectors to prevent inaccurate signals and flickering displays

110 products

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

46 products

Hose Coupling Gaskets

Form tight seals on cam-and-groove, grip-lock, and twist-claw hose connections

33 products

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

58 products

Gasket Sealants

Seal gaskets on metal parts

11 products

Drum Gaskets

Seal lids onto steel and stainless steel drums

6 products

Manway Gaskets

Create a tight seal between the nozzle and lid of tank car manways

4 products

Pipe Flashings

Create watertight seals around vent pipes on roofs, even if they expand, contract, and vibrate

13 products

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

4 products

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

1 product

Boiler Gaskets

Resist heat and steam to form a leak-resistant seal around closures on boilers

3 products

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

189 products

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

24 products

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

450 products

Spring-Loaded Seals

Seal rods and pistons with a wider range of temperature and chemical resistance than U-cup seals

54 products

Wear Ring Stock

Cut to make wear rings that fit any rod or bore to prevent uneven wear and extend the life of seals

12 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

11 products

Shaft Repair Sleeves

Cover worn shafts with a smooth and protective sealing surface without machining

21 products

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

9 products

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

16 products

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

9 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

17 products

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

257 products

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

7 products

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

223 products

Cord Stock

Cut to length to create customized seals

12 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

371 products

Washers

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

3,957 products

Contact Adhesives

Apply adhesive, air dry, and bring surfaces together to bond

5 products

Structural Adhesives

Strong enough to replace screws and rivets for many jobs

1 product

Repair and Duct Tape

Permanently join or seal surfaces

10 products

Fluid Handling

Tube Fitting Rings

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

33 products

Strainers

Install next to valves and pumps to catch debris in your line

9 products

Building and Machinery Hardware

Edge Trim

Install on panels, boards, signs, and mirrors to protect edges from impact

191 products

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

195 products

Panel Connecting Trim

Connect two panels while protecting the edges from damage

33 products

Weatherstripping

Seal gaps around doors, windows, and frames

131 products

Thresholds

Transition between flooring surfaces and reduce gaps between doors and floors

24 products

Door Drip Guards

Divert rain and snow away from door openings

10 products

T-Slotted Framing Slot Covers

Block dust and debris from entering T-slotted rails

2 products

Cam Latch Covers

Seal off cam locks and latches so dust, dirt, and water don't get in

1 product

Vibration-Damping Mounts

Attach to machinery to reduce vibration and noise and extend service life

7 products

Fabricating and Machining

Pocket Knives

Carry these portable cutting tools in a pocket or on a keychain

22 products

Scissors

Cut through a wide range of materials from paper and plastic to carpet and Kevlar

115 products

Gasket Cutters

Create circular gaskets from pliable material and soft metal

45 products

Utility Knives

Make quick, shallow cuts; often used to open boxes and packages

197 products

Shop Knives

Make deep, repetitive cuts with the exposed blade and easy-to-hold handle

44 products

Precision Knives

Make exact cuts in paper, plastic, fabric, and other materials

135 products

Miter Angle Cutters

Make cuts at precise angles; use on weatherstripping, dowels, and trim for door and window frames

3 products

Razor Blades

Cut through various materials such as leather and rubber; often used in utility knives

28 products

Scalpels

Trim and puncture thin material such as paper, plastic, and fabric

24 products

Hot Knives

Melt through synthetic fabric and rubber, leaving clean edges

15 products

Hole Punches

Punch holes in metal, plastic, and fabric

65 products

Raw Materials

Rubber

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

142 products

Gold

Form into electronic components that won't corrode—all with material certificates for traceability

4 products

Platinum

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

22 products

Facility and Grounds Maintenance

Toilet Tank Replacement Parts

Replace parts such as flappers, fill valves, and floats in your toilet tank

2 products

Urinal Spuds

Connect wall-mount urinals to a flush valve

5 products

Toilet Spuds

Connect wall-mount toilets to a flush valve

14 products

Power Transmission

Rod End Seals

Keep dirt out and lubrication in to extend the life of rod ends

16 products

Cylinder Rod Glands

Replace the rod gland on hydraulic cylinders

13 products

Electrical Power, Networking, and Controlling

Electrical Enclosure Fasteners

Mount components to your enclosure without worrying about leaks

3 products

Wire Sleeving

Bundle wiring and protect from abrasion and heat

14 products

Material Handling

Dock Door Shelters

Wrap around trailers where they meet dock doors to shield out the elements better than seals

4 products