QF Clamps | McMaster-Carr

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184 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.

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Control of Liquids, Gases, and Solids

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

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

Connect quick-clamp fittings in high-vacuum applications.

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

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

Use these rings with quick-clamp high-vacuum fittings.

Quick-Clamp High-Vacuum
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.

Through-Wall Fittings for High-Vacuum Chambers

Transfer liquids and gasses into high-vacuum chambers with these assembled fittings, also known as feedthroughs.

Gradual On/Off Valves with
Quick-Clamp Fittings for High Vacuum

Also known as vacuum isolation valves, these block flow so you can install and remove gauges from your system. They can also be used to add or vent gases in high-vacuum systems.

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