Tapered Gaskets | McMaster-Carr

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Electrically Insulating

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2,966 Products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

533 products

U-Cup Seals

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

198 products

Packing Seals

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

30 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

109 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

50 products

Spring-Loaded Seals

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

54 products

Head Seals

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

10 products

Buffering Seals

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

22 products

Hose Coupling Gaskets

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

3 products

Pipe Flashings

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

13 products

Building and Machinery Hardware

Grommets

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

28 products

Facility and Grounds Maintenance

Faucet Washers

Seal faucet components so they don’t leak

8 products

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

1 product

Toilet Tank-to-Bowl Gaskets

Create a tight seal between a toilet tank and bowl

2 products

Power Transmission

Disc Springs

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

502 products

Hydraulic Cylinder Seals

Replace seals on the piston or rod end of hydraulic cylinders

36 products

Bearing Lock Washers

Lock bearing nuts in place to prevent loosening due to vibration

103 products

Heating, Ventilation, and Air Conditioning

Chimney Storm Collars

Pair with chimney roof flashing to prevent leaks where chimneys pass through roofs

11 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

240 products

Lock Washers

Resist vibration to prevent fasteners from loosening

474 products

Washers

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

15 products

Leveling Washers

Curved or tapered to compensate for uneven mounting surfaces

265 products

Finishing Washers

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

156 products

Insulating Washers

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

10 products

Push Nuts

Press onto threads for a light duty hold that’s faster to install than typical nuts

8 products

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

7 products

Tamper-Resistant Nuts

Hard to detach without special tools to prevent unwanted removal

78 products