Steel Seals | McMaster-Carr

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System of Measurement

Screw Size

Thickness

Pipe Size

Shape

Washer Type

Finish

Corrosion-Resistant Coated

For Flange ANSI Class

Maximum Temperature

Performance

Width

Environment

Color

For Use With

Length

Specifications Met

RoHS

Compliant with Exemptions

Not Compliant

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

Maximum Pressure for Fluids

1,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi to 9,999 psi

10,000 psi or greater

Fitting Type

Thread Size

538 Products

Fastening and Joining

Sealing Washers

Prevent fluids from leaking around fasteners

82 products

Fastener Assortments

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

6 products

Press-Fit Nuts

Push into drilled or punched holes to add threads to thin panels

2 products

Retaining Rings

Hold components on a shaft

9 products

Standoff Caps

Create a finished look on standoffs and protect them from dirt and debris

1 product

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

123 products

Backer Rod Insertion Tools

Quickly set foam backer rods in caulk joints at a consistent depth without puncturing them

1 product

Caulk Guns

Cartridge, sausage-pack, and bulk-load caulk guns

1 product

Fluid Handling

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

7 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

5 products

Pipe and Pipe Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases through your facility

18 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

2 products

Material Handling

Screw Conveyors

Push material through fixed troughs

78 products

Communication

Tamper-Evident Seals

Secure hasps, latches, and other connections to visibly indicate tampering

2 products

Fabricating and Machining

Fixture Plate Plugs

Keep chips and shavings from clogging or damaging unused holes on fixture plates in milling machines

1 product

Electrical

Electrical Enclosure Plugs

Block or seal holes in outlet boxes and enclosures to keep out debris, dust, and moisture

27 products

Wire Sleeving

Bundle wiring and protect from abrasion and heat

13 products

Building and Machinery Hardware

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

103 products

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

22 products

Containers, Storage, and Furniture

Stacking Caps and Targets

Turn the ends of posts into stackable shelving and rack systems

6 products

Power Transmission

Springs

Apply and absorb force with compression, die, extension, torsion, and disc springs

37 products