Quick Turn Adapters | McMaster-Carr

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Luer Lock Component

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325 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.

Luer Lock Couplings for Stainless Steel Tubing

Quickly connect low-pressure stainless steel lines with these couplings. Made of 316 stainless steel, they have excellent corrosion resistance.

Plastic Luer Lock Tube Couplings for Air and Water

Made of plastic, these couplings are lighter in weight than metal luer lock couplings. They're a popular choice in labs because of their versatility—they fit any other luer lock plug, socket, syringe, or needle.

Brass Luer Lock Tube Couplings for Air

Quickly connect low-pressure air lines with these luer lock couplings. Made of brass, they are stronger and more durable than plastic tube couplings.

Stainless Steel Luer Lock Tube
Couplings for Air and Water

Use these luer lock couplings to quickly connect low-pressure air and water lines. Made of stainless steel, they’re more durable than plastic couplings.

Plastic Luer Lock Tube Couplings
with Shut-Off for Air and Water

A built-in shut-off valve stops the flow when you separate these couplings, so air or water won’t leak from your line. Made of nylon, these couplings are lightweight and have good impact and abrasion resistance.

Luer Lock Tube Couplings for Plastic
and Rubber Tubing—Chemicals

A staple in labs, these couplings are highly versatile, fitting any luer lock plug, socket, syringe, or needle. They’re PVDF, so they resist most acids, alcohols, and organic solvents.

Luer Lock Tube Couplings for Plastic
and Rubber Tubing—High-Purity

To prevent contamination, these couplings are cleaned, double bagged, and packaged in a clean room. Known for their versatility, they fit any luer lock plug, socket, syringe, or needle.

On/Off Valves with Luer Lock Fittings

With just a half turn or a light push, these valves connect to luer lock fittings on your line.

Dispensing Needles and Tips

Thread Adapters for Syringes

Change the connection on syringes, dispensing tips, and needles to either a luer lock or threaded connection.

Gas Sampling Valves for Syringes

Convert an everyday syringe into a gas sampling syringe. These valves allow you to collect, transport, and store gas samples without worrying about evaporation or leaks.