Metric Gaskets | McMaster-Carr

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Electrically Insulating

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

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Export Control Classification Number (ECCN)

6,538 Products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

81 products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

39 products

Manway Gaskets

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

8 products

Hose Washers

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

2 products

O-Rings

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

4,121 products

Cord Stock

Cut to length to create customized seals

196 products

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

178 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

15 products

O-Ring Bonding Kits

Everything needed to make O-rings

26 products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

235 products

Washers

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

1,309 products

Cushioning Washers

Cushion joints to dampen vibration and protect them from wear

7 products

Insulating Washers

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

29 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

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

57 products

Grommets

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

50 products

Vibration-Damping Mounts

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

30 products

Fluid Handling

Tube Fitting Rings

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

6 products

Raw Materials

Rubber

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

79 products

Ceramic

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

5 products

Fabricating and Machining

Hole Punches

Punch holes in metal, plastic, and fabric

32 products

Utility Knives

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

14 products

Power Transmission

Rod End Seals

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

8 products