Mounting Flanges | McMaster-Carr

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System of Measurement

Pipe Size

Material

Compressed Non-Asbestos Synthetic Fiber

Hastelloy C276 Nickel

Shape

Fitting Connection

Quick-Disconnect Clamp

Fitting Type

Number of Bolt Holes

Shaft Diameter

Pressure Class

For Flange ANSI Class

Flanged Connection Surface

Flange OD

For Use With

Blank Mounting Patterns

Grooved-End Pipe Fittings

ISO Mounting Patterns

Low Stress-to-Seal Flanges

Acetic Acid (White Vinegar)

Acetone

Adhesive

Mounted Bearing Type

Four-Bolt Flange Mount

Three-Bolt Flange Mount

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Pipe Material

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Color

REACH

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Compliant with Exemptions

Not Compliant

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

Yes

Export Control Classification Number (ECCN)

DFARS Specialty Metals

5,505 Products

Fluid Handling

Pipe and Pipe Fittings

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

1,436 products

Tube Fittings

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

77 products

Tube Fitting Clamps

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

144 products

Tube Fitting Rings

Prevent leaks at tubing connection points

33 products

Hose and Hose Fittings

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

26 products

Orifice Valves

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

24 products

Building and Machinery Hardware

Slip-On Framing Rail Ends

Mount slip-on framing structures to floors, walls, and ceilings

78 products

Slip-On Framing Rail Supports

Brace long runs of slip-on framing rails, either along walls or through them

33 products

Flush-Fit Framing Rail Ends

Secure flush-fit framing structures to floors, walls, and ceilings

3 products

Clamp-On Framing and Fittings

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

19 products

Press-Fit Framing and Fittings

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

6 products

Bellows

Prevent dust and debris from damaging moving parts

472 products

Power Transmission

Bearing Housings

Mount your own bearings in place

24 products

Mounted Bearings

Ball, roller, and sleeve bearings ready to bolt in place

541 products

Linear Bearing Housings

Hold linear ball or sleeve bearings by sliding them in and securing with retaining rings

10 products

Shaft Collar Adapters

Sized specifically to adapt standard shaft collars to pipe, creating a tight fit

12 products

Shaft Collars

Hold and position parts on a shaft, or limit shaft movement

86 products

Linear Shaft Supports

Support linear shafts to prevent bending and rolling under loads

42 products

Precision Lead Screw Nut Flanges

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

18 products

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

114 products

Ball Screws and Nuts

Provide smooth travel where high speeds, accurate positioning, and repeatable movement are required

43 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

33 products

Carriages

Carry loads along guide rails on accurate and repeatable paths in automated systems

74 products

Heating, Ventilation, and Air Conditioning

Duct and Fittings

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

197 products

Diffuser Collars

Connect diffusers to duct

4 products

Chimney Pipe and Fittings

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

11 products

Facility and Grounds Maintenance

Floor, Wall, and Ceiling Plates

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

46 products

Toilet Mounts

Secure toilet components with flanges and hardware kits

22 products

Toilet Sealing Rings

Prevent leaks where toilets mount to the floor or wall

8 products

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

1 product

Urinal Sealing Rings

Prevent leaks where urinals mount to the wall

2 products

Manhole Riser Rings

Raise a manhole cover to make it level with the surface

4 products

Urinal Flanges

Connect a urinal to your drainage system

2 products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

1,395 products

Pipe Flashings

Create watertight seals around vent pipes on roofs, even if they expand, contract, and vibrate

13 products

Fabricating and Machining

Buffing and Polishing Wheel Flanges

Connect wheels with a center hub to bench grinders and buffers

4 products

Fastening and Joining

Spring Plunger Mounts

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

14 products

Material Handling

Robot Tool Mounts

Attach tools to robot arms

7 products

Robot Tool Changers

Swap end-of-arm tooling in a snap

15 products