Gland Rings | McMaster-Carr

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15,710 Products

Sealing

O-Rings

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

10,684 products

Backup Rings

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

O-Ring Cord Stock

O-Ring Cord Stock

Cut to length to create customized seals

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

Packing Seals

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

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Head Seals

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

U-Cup Seals

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

Spring-Loaded Seals

Spring-Loaded Seals

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

Cushioning Seals

Cushioning Seals

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

Rod Seal Installation Tools

Rod Seal Installation Tools

Reduce the risk of distorting or breaking seals, wipers, and O-rings during installation

Piston Ring Installation Tools

Piston Ring Installation Tools

Protect piston rings from damage during installation and removal

Wear Rings

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

Wear Ring Stock

Wear Ring Stock

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

Shaft Repair Sleeves

Shaft Repair Sleeves

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

Piston Seals

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

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

Buffering Seals

Buffering Seals

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Piston Ring Compressors

Piston Ring Compressors

Squeeze piston rings to smoothly install pistons into cylinders

Tube Fitting Gaskets

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

Boiler Gaskets

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

Hose Coupling Gaskets

Hose Coupling Gaskets

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

Manway Gaskets

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

Fluid Handling

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Fastening and Joining

Cushioning Washers

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

Sealing Washers

Sealing Washers

Prevent fluids from leaking around fasteners

Washers

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

Insulating Washers

Insulating Washers

Isolate screws from electrical current and prevent corrosion where fasteners attach

Fastener Assortments

Fastener Assortments

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

Measuring and Inspecting

O-Ring Gauges

Identify the size of your O-ring

Raw Materials

Foam

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

Electrical

Cord Grips

Securely connect cords to enclosures while sealing out dirt and moisture

Power Transmission

Cylinder Rod Glands

Cylinder Rod Glands

Replace the rod gland on hydraulic cylinders

Round Belts

Flexible to send rotary power between unparallel shafts

Hydraulic Cylinder Seals

Hydraulic Cylinder Seals

Replace seals on the piston or rod end of hydraulic cylinders

Facility and Grounds Maintenance

Toilet Tank-to-Bowl Gaskets

Toilet Tank-to-Bowl Gaskets

Create a tight seal between a toilet tank and bowl

Toilet Sealing Rings

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

Urinal Sealing Rings

Urinal Sealing Rings

Prevent leaks where urinals mount to the wall

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