2" Tube Adapters | McMaster-Carr

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	Type Type


Adapter	Cap

Clamp	Connector

Flange	Nut

Reducer	Sleeve

	System of Measurement System of Measurement

Inch

Metric

	For Tube OD For Tube OD	Show

	For Tube OD For Tube OD	Hide

	Connection Style Connection Style

	Shape Shape


45° Elbow	90° Elbow

180° Bend	Cap/Plug

Cross	Manifold

Straight	Tee

Wye

	Material Material

	Pipe Size Pipe Size

	Thread Type Thread Type

	Connection Type Connection Type


Hose	Pipe

Tube

	For Tube Material For Tube Material

	Gender Gender

Male

Female

	For Use With For Use With

	Length Length

	Flange OD Flange OD

	Quick-Clamp Connection Type Quick-Clamp Connection Type

	Environment Environment

Food and Beverage

Sanitary

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

DFARS Specialty Metals
Compliant

	For Tube Fabrication For Tube Fabrication

Seamless

Welded

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

	Sterilize With Sterilize With

	Maximum Vacuum Maximum Vacuum

1 × 10^-9 torr @
72° F

1 × 10^-8 torr @
72° F

1 × 10^-7 torr @
72° F

10^-6 torr @
72° F

15 in. of Hg @ 72° F

Not Rated

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Appearance Appearance

402 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Drain, Waste, and Vent ABS Pipe Fittings for Chemicals

These fittings are an economical option for chemical waste systems. Fittings are ABS plastic, which has excellent strength and impact resistance and good chemical resistance.

Aboveground Standard-Wall PVC Pipe
Fittings for Drain, Waste, and Vent

These Schedule 40 fittings are the industry standard for gravity-flow drain, waste, and vent (DWV) applications.

Tubing and Tube Fittings

37° Flared Fittings for Stainless Steel Tubing

Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on stainless steel tubing that is flared to 37°.

Sleeves for 37° Flared Fittings
for Stainless Steel Tubing

Precision AN 37° Flared Fittings
for Stainless Steel Tubing

The threads on the tube end of these fittings are Class 3A or 3B and adhere to tighter tolerances than other 37° flared fittings.

High-Polish Metal Quick-Clamp Sanitary Tube Fittings

The smooth finish inside these stainless steel quick-clamp fittings makes it easy to remove product residue.

Clamps for High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Connect quick-clamp sanitary tube fittings—also known as aseptic fittings—for a fast and easy way to access your line.

Extra-Support High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Also known as I-line fittings, these quick-clamp fittings permit easy access to your line.

Clamps for Extra-Support High-Polish
Metal Quick-Clamp Sanitary Tube Fittings

Connect extra-support quick-clamp fittings for a fast and easy way to access your line.

Extra-High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Polished to a 20 Ra finish, these fittings have an extra-smooth interior that prevents product buildup and inhibits bacteria growth.

Plastic Quick-Clamp Sanitary
Fittings for Stainless Steel Tubing

Clamps for Plastic Quick-Clamp Sanitary
Fittings for Stainless Steel Tubing

Quick-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

Also known as KF, QF, and NW fittings, these fittings are for high-vacuum applications, such as vacuum coating and heat treating, leak testing, and analyzing gases.

Clamps for Quick-Clamp High-Vacuum
Fittings for Stainless Steel Tubing

Connect quick-clamp fittings in high-vacuum applications.

Butt-Weld Fittings for Stainless Steel Tubing

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

High-Polish Gasket Fittings for Stainless Steel Tubing

Fittings are polished to a32 Ra and under finish on the interior.

Nuts for High-Polish Gasket
Fittings for Stainless Steel Tubing

Quick-Connect High-Vacuum
Fittings for Stainless Steel Tubing

Twist these fittings onto high-vacuum tubing to quickly make sealed, high-vacuum connections without the need for clamping, welding, or tools.

37° Flared Fittings for Steel Tubing

Also known as JIC (Joint Industrial Council) fittings, these provide a tight metal-to-metal seal on steel tubing that is flared to 37°.

Vacuum Fittings for Steel Tubing

Use these fittings in an air vacuum system to avoid the hassle of brazing and welding. Insert two fittings into a clamp and tighten to form a secure seal in steel tubing.

Clamps for Vacuum Fittings for Steel Tubing

Socket-Connect Fittings for
Plastic Tubing—Air and Water

Slide tubing into these fittings and secure with a clamp. Use at low pressures up to 80 psi.

Sanitary Sampling Stainless Steel Tube Fittings

Take samples in sanitary environments—these tube fittings won’t contaminate your lines or force you to pause them.

Tube-End Weld Nuts

About half the strength of medium-strength steel coupling nuts, these metric nuts are for light duty fastening applications.

Left-Hand Threaded Tube-End Weld Nuts

Use these tube-end weld nuts with left-hand threaded fasteners.

Slip-Joint Fittings

Use these fittings to connect tailpieces, P-traps, S-traps, and extension tubing to sink drains.