Aluminum Flanges | McMaster-Carr

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Fitting Material

Aluminum

High-Vacuum Flange Size

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Bolt Circle Diameter

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

Yes

REACH

Compliant

Not Compliant

Export Control Classification Number (ECCN)

2B999

EAR99

RoHS

Compliant

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

741 Products

Fluid Handling

Pipe and Fittings

Generally thicker and more rigid than tubing for distributing liquids and gases

112 products

Pipe Locknuts

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

10 products

Tube Fittings

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

20 products

Tube Fitting Clamps

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

26 products

Tube End Caps

Cover the ends of tube to keep out dirt and debris

4 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

14 products

Building and Machinery Hardware

Flush-Fit Framing Rail Ends

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

3 products

Slip-On Framing Rail Ends

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

49 products

Slip-On Framing Rail Supports

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

23 products

Slip-On Framing Connectors

Tighten onto slip-on framing rails to build guards, railings, and racks

133 products

Slip-On Framing Rails

Insert into slip-on fittings and tighten screws to make guards, railings, and racks

15 products

Clamp-On Framing and Fittings

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

146 products

Press-Fit Framing and Fittings

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

44 products

Heating, Ventilation, and Air Conditioning

Duct Flanges

Mount on equipment to start a run of duct, or create a secure joint between two sections

20 products

Fastening and Joining

Hex Head Screws

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

63 products

Sealing

Pipe Flashings

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

9 products

Measuring and Inspecting

Pipe Flange Aligners

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

2 products