Stainless Steel Flanges | McMaster-Carr

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Stainless Steel

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Stainless Steel

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Ring with Bolt Holes

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Ammonium Hydroxide

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UN/UNF (SAE Straight)

Bolt Hole Diameter

For Flange ANSI Class

DFARS Specialty Metals

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

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2,157 Products

Fluid Handling

Pipe Flanges

Bolt together with a gasket to create an access point within a line

Pipe Straights

Join lengths of pipe to send contents in one direction

Pipe Flange Adapters

Pipe Flange Adapters

Combine with a two-piece pipe flange to build a customized flange connection

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Pipe Expansion Joints

Pipe 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

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

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

Threaded Rods

Anchor, connect, or hang components in a wide variety of applications

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

Heating, Ventilation, and Air Conditioning

Duct and Fittings

Duct and Fittings

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

Power Transmission

Precision Lead Screw Nut Flanges

Precision Lead Screw Nut Flanges

Pair with precision lead screw nuts to make custom flange nuts that move items along lead screws

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

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 Connectors

Clamp-On Framing Connectors

Two-piece design wraps around rails to modify structures without disassembling them

Grommets

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

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.)