Steel Flanges | McMaster-Carr

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1,835 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 Locknuts

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

Pipe Bleed Rings

Pipe Bleed Rings

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

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 and Fittings

Duct and Fittings

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

Fastening and Joining

Weld Nuts

Weld to metal surfaces to add permanent threads

Adhesive-Mount Nuts

Adhesive-Mount Nuts

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

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

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

Fabricating and Machining

Buffing and Polishing Wheel Flanges

Buffing and Polishing Wheel Flanges

Connect wheels with a center hub to bench grinders and buffers

Power Transmission

Ball Screws and Nuts

Ball Screws and Nuts

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

Machinable Shaft Ends

Machinable Shaft Ends

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

Facility and Grounds Maintenance

Floor, Wall, and Ceiling Plates

Floor, Wall, and Ceiling Plates

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

Toilet Mounts

Secure toilet components with flanges and hardware kits

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

Measuring and Inspecting

Pipe Flange Aligners

Pipe Flange Aligners

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

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

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