Metric Flanges | McMaster-Carr

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Flange OD

Bolt Circle Diameter

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Flanged Connection Surface

Thread Pitch

For Use With

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Connects To

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Metric Rounded Trapezoidal

REACH

RoHS

Compliant with Exemptions

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

Yes

DFARS Specialty Metals

Compliant

Exempt

Not Compliant

Export Control Classification Number (ECCN)

769 Products

Fluid Handling

Pipe Flanges

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

9 products

Pipe Bushings

Connect two pipes of different diameters

10 products

Pipe Straights

Join lengths of pipe to send contents in one direction

11 products

Pipe Locknuts

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

2 products

Tube Fitting Clamps

Connect dairy, sanitary, and vacuum tube fittings to your line

14 products

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

81 products

Fastening and Joining

Adhesive-Mount Nuts

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

66 products

Weld Nuts

Weld to metal surfaces to add permanent threads

82 products

Flange Nuts

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

306 products

Hex Head Screws

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

5 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

Power Transmission

Precision Lead Screw Nuts

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

42 products

Ball Screws and Nuts

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

21 products

Lead Screw Nuts

Mate with lead screws to move components in a straight line

6 products

Building and Machinery Hardware

Grommets

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

35 products

Clamp-On Framing Rails

Build assembly stations, conveyors, and racks that can be modified without dismantling them

8 products