Pipe Connectors | McMaster-Carr

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40,197 Products

Fluid Handling

Pipe and Pipe Fittings

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

23,593 products

Tube Fittings

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

8,388 products

Tube Fitting Clamps

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

145 products

Tube Fitting Nuts

Tighten to create a strong seal between tube and tube fittings

353 products

Tube Fitting Sleeves

Pair with nuts and fittings to form a secure connection on tubing

300 products

Tube Fitting Rings

Prevent leaks at tubing connection points

33 products

Hose Fittings

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

4,389 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

4 products

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

631 products

Junction Blocks

Organize and separate multiple lines in a pipe system; air and fluid flow through the threaded holes

77 products

Tube Crimping Tools

Create a leak-tight seal between tubing and fittings without heat or solder

6 products

Orifice Valves

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

102 products

On-Off Valves

Start and stop flow through a line

3 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

28 products

Building and Machinery Hardware

Clamp-On Framing Connectors

Two-piece design wraps around rails to modify structures without disassembling them

171 products

Slip-On Framing Connectors

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

246 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

4 products

Sealing

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

3 products

Fabricating and Machining

Clamps

Hold workpieces securely in place

14 products