Steel Flanges | McMaster-Carr

Filter by

System of Measurement

Pipe Size

Pressure Class

Fitting Connection

Fitting Type

Material

Fitting Material

Pipe Schedule

Flanged Connection Surface

Flange OD

Pipe Material

Number of Bolt Holes

For Use With

Maximum Steam Pressure @ Temperature

Bolt Circle Diameter

For Fitting Schedule

Specifications Met

Thread Type

Shape

Connects To

Bolt Hole Diameter

For Flange ANSI Class

Length

How can we improve?

1,766 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

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 and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Orifice Valves

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

Heating, Ventilation, and Air Conditioning

Duct Flanges

Mount on equipment to start a run of duct, or make a connection between two duct ends

Duct Fittings

Connect lengths of duct

Duct End Caps

Close off a length of duct

Duct Intake Hoods

Duct Intake Hoods

Pull fumes out of work areas by linking to duct

Diffuser Collars

Diffuser Collars

Connect diffusers to duct

Chimney Pipe and Fittings

Chimney Pipe and Fittings

Exhaust hot air and fumes from boilers, furnaces, and stoves

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Hydraulic Tank Pipe Suction Flanges

Hydraulic Tank Pipe Suction Flanges

Seal pipes passing through top plates of hydraulic tanks

Power Transmission

Machinable Shaft Ends

Machinable Shaft Ends

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

Ball Screws and Nuts

Ball Screws and Nuts

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

Fastening and Joining

Flange Nuts

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

Weld Nuts

Weld to metal surfaces to add permanent threads

Spring Plunger Mounts

Spring Plunger Mounts

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

Fabricating and Machining

Buffing Wheel Flanges

Buffing Wheel Flanges

Connect wheels with a center hub to bench grinders and buffers

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

Building and Machinery Hardware

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

Slip-On Framing and Fittings

Slip-On Framing and Fittings

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

Safety Equipment

Cover Plates for Fire Sprinkler Heads

Cover Plates for Fire Sprinkler Heads

Replace the cover on your fire sprinkler head for a clean look; also known as escutcheons

Measuring and Inspecting

Pipe Flange Aligners

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

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