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RN Compression Fittings

Many delicate neuroscience, stem cell and chemical dispensing applications require the use of pulled glass needles, also known as glass capillary needles, or PEEK tubing with precision syringes, as opposed to stainless steel needles. Properly attaching a pulled glass needle or a length of PEEK tubing to a syringe is difficult, and the traditional use of wax or other workarounds often exposes the experiment or technique to inaccuracy or contamination.

Hamilton developed its line of pulled glass needle and PEEK tubing connectors to quickly and easily provide a reliable way of attaching pulled glass needles and PEEK tubing to syringes. The connectors create a tight, seamless link between the syringe and the output that protects the reliability of the application and minimizes the inherent risks associated with imperfect connections.

Hamilton connectors include compression fittings and adapters designed to connect Removable Needle (RN) and Knurled Hub (KH) precision syringes to the desired pulled glass needle or length of PEEK tubing. The connectors can be combined in a variety of different configurations to meet most connection needs.

Compression Fitting Components

Hamilton Glass Micro Pipette

Hamilton PEEK Tubing Compression Fittings

Hamilton Dual RN Adapter

1 mm Compression Fittings


1/16 inch Compression Fittings


Dual RN Coupler

Hamilton Knurled Hub (KH) to Removable Needle (RN) Adapter

Hamilton Priming Kit

Luer to RN Adapter


Priming Kit