3 1/2 Pipe Size Fittings | McMaster-Carr

Filter by

System of Measurement

Pipe Size

Fitting Type

Material

Pipe Material

Fitting Connection

Thread Type

Shape

Pipe Schedule

Pressure Class

Gender

Connects To

Length

OD

For Use With

Flange Material

Bolt Circle Diameter

ID

Maximum Pressure @ Temperature

Threading

REACH Compliance

RoHS Compliance

DFARS Compliance

How can we improve?

69 Products

Fluid Handling

Pipe Fittings

Form threaded, barbed, flanged, and other types of connections between lengths of pipe

Pipe Flanges

Create an access point in a line by bolting two same-size flanges together with a gasket

Pipe Plugs

Insert into the ends of pipe to keep out dirt and debris

Pipe Nipples and Pipe

Pipe Nipples and Pipe

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

Pipe Repair Clamps

Pipe Repair Clamps

Fix small holes and cracks in pipe without taking your system apart

Tube Fittings

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

Pipeline Fluid Blockers

Pipeline Fluid Blockers

Temporarily block the flow between pipe flanges as you work downstream; also known as paddle blinds

Expansion Plugs

Expansion Plugs

Seal pipe and tubing lines when checking for leaks

Building and Machinery Hardware

Protective Caps

Protective Caps

Cover holes at the end of pipe, conduit, and fittings to keep out debris

Protective Plugs

Protective Plugs

Insert into holes in pipe, containers, panels, and parts to keep out debris

Grommets

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

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