Metric Flanges | McMaster-Carr

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System of Measurement

Material

Stainless Steel

DN Size

Fitting Type

Reducing Adapter

Pipe Size

Fitting Connection

Spec Image

Spec Image

Spec Image

Number of Bolt Holes

Thread Size

Specifications Met

Flange OD

Bolt Circle Diameter

Flanged Connection Surface

Nut Type

Shape

Ring with Bolt Holes

For Use With

Thread Pitch

Connects To

Wall Thickness

Bolt Hole Diameter

Thread Type

Metric Rounded Trapezoidal

Metric Trapezoidal

ID

1 mm to 13.5 mm

OD

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

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728 Products

Fluid Handling

Pipe Flanges

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

Pipe Bushings

Connect two pipes of different diameters

Pipe Straights

Join lengths of pipe to send contents in one direction

Pipe Locknuts

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

Tube and Tube Fittings

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

Fastening and Joining

Flange Nuts

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

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

Hex Head Screws

Hex Head Screws

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

Sealing

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Power Transmission

Precision Lead Screw Nuts

Precision Lead Screw Nuts

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

Ball Screws and Nuts

Ball Screws and Nuts

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

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Building and Machinery Hardware

Grommets

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

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

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

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