Stainless Steel Flanges | McMaster-Carr

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System of Measurement

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Fitting Connection

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Clamp-On Barbed

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Quick-Disconnect Clamp

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Threaded Gasket

Pressure Class

Fitting Type

Expansion Joint

Reducing Adapter

Flanged Connection Surface

Pipe Material

Stainless Steel

Flange OD

Number of Bolt Holes

Fitting Material

Stainless Steel

Pipe Schedule

Bolt Circle Diameter

For Use With

Specifications Met

Fed. Spec. A-A-59326

Shape

Ring with Bolt Holes

Ring with Tines

Connects To

Thread Type

UN/UNF (SAE Straight)

For Fitting Schedule

Bolt Hole Diameter

For Flange ANSI Class

Maximum Steam Pressure @ Temperature

125 psi @ 300° F

145 psi @ 300° F

175 psi @ 300° F

300 psi @ 300° F

150 psi @ 350° F

150 psi @ 360° F

200 psi @ 360° F

300 psi @ 360° F

415 psi @ 360° F

825 psi @ 400° F

840 psi @ 400° F

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

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2,131 Products

Fluid Handling

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Expansion Joints

Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Pipe Bleed Rings

Pipe Bleed Rings

Access inside a pipe line to vent pressure, drain liquid, and take samples

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Tube End Caps

Cover the ends of tube to keep out dirt and debris

Tube Fitting Clamps

Tube Fitting Clamps

Quickly secure connections between tube fittings, including sanitary and high-vacuum fittings

Tube Sampling Ports

Tube Sampling Ports

Take samples from sanitary tubing without pausing or contaminating your line

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Orifice Valves

Restrict the flow of liquids and gases to precisely control rate and pressure

Heating, Ventilation, and Air Conditioning

Duct and Fittings

Duct and Fittings

Circulate air through HVAC systems using round, rectangular, and fabric duct

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Made-to-Order Gaskets

Made-to-Order Gaskets

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

Fastening and Joining

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Weld Nuts

Weld to metal surfaces to add permanent threads

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Flange Nuts

The flange distributes pressure, so you don't need a washer

Spring Plunger Mounts

Spring Plunger Mounts

Secure ball-nose and long-nose spring plungers to fixture surfaces

Building and Machinery Hardware

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

Grommets

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

Power Transmission

Machinable Shaft Ends

Machinable Shaft Ends

Mill custom pulleys, threaded hubs, sprockets, collars, and sensor targets and mount them to shafts

Ball Screw Nuts

Ball Screw Nuts

Internal ball bearings roll on ball screws for low friction when moving components

Lead Screws and Nuts

Lead Screws and Nuts

Components travel along a screw with broad, square threads to clamp and lift heavy loads

Facility and Grounds Maintenance

Toilet Mounts

Secure toilet components with flanges and hardware kits

Floor, Wall, and Ceiling Plates

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

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