Rubber Gaskets | McMaster-Carr

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21,998 Products

Most Likely Products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Edge Seals

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

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

O-Rings

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

10,348 products

Foam

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

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Rubber

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

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Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Gasket Material

Gasket Material

Cut custom shapes and sizes to fill gaps between flat surfaces

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Hose Coupling Gaskets

Hose Coupling Gaskets

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

Gasket Tape

Stick in place around doors, enclosures, and vents to create a leak-resistant seal

Hose Washers

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

EMI/RFI Shielding Gaskets

EMI/RFI Shielding Gaskets

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

Boiler Gaskets

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

Made-to-Order Gaskets

Made-to-Order Gaskets

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

Manway Gaskets

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

Gauge Glass Gaskets

Gauge Glass Gaskets

Seal the glass on level indicators to monitor liquids without leaks

Gasket Makers

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

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

Edge Seals

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

Rope Seals

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

O-Rings

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

10,348 products

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Head Seals

Maintain a seal even under fluctuating pressure; more reliable than an O-ring with a backup ring

Buffering Seals

Buffering Seals

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

Cushioning Seals

Cushioning Seals

Reduce wear and noise in air-powered cylinders by blocking the piston from hitting the cylinder body

Sealants

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

Sealant Primers

Sealant Primers

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

Raw Materials

Foam

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

Rubber

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

Building and Machinery Hardware

Edge Trim

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

Grommets

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

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

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

Strut Channel Framing and Fittings

Strut Channel Framing and Fittings

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

Weatherstripping

Weatherstripping

Seal gaps around doors, windows, and frames

Thresholds

Transition between flooring surfaces and reduce gaps between doors and floors

Vibration-Damping Mounts

Vibration-Damping Mounts

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

Fastening and Joining

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Tape

Bind, seal, and mark surfaces

Adhesives

Bond surfaces together

Fabricating and Machining

Vacuum Workholding Plate Gasketing

Vacuum Workholding Plate Gasketing

Seal off the in-use areas of vacuum chucks

Fluid Handling

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Strainers

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

Facility and Grounds Maintenance

Toilet Sealing Rings

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

Toilet Tank-to-Bowl Gaskets

Toilet Tank-to-Bowl Gaskets

Create a tight seal between a toilet tank and bowl

Toilet Tank Replacement Parts

Toilet Tank Replacement Parts

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

Heating, Ventilation, and Air Conditioning

Pipe Insulation

Pipe Insulation

Fit around pipe, tubing, and tanks to reduce heat loss or condensation

Chimney Pipe and Fittings

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

Power Transmission

Rod End Seals

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

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