Removable Needles

Removable Needles have a unique connection to precisely align the needle onto a syringe barrel at the zero-volume mark. Large and Small Hub Removable Needle styles are available depending on your syringe size.

Removable needles

Removable connections for convenience and confidence

Get the most out of your syringe-based applications with a Removable Needle (RN) from Hamilton. Easily replace a bent or clogged needle to extend syringe life. Interchange different needles to suit broad application needs while maintaining accuracy, precision, and reliability.

Removable Needles (RN) are available in two hub sizes. Large hubs connect to RN syringes 250 µL and larger or SampleLock syringes. Small hubs are compatible with syringes 100 µL and smaller.

What you can expect

  • Cost-efficient laboratory use

    Replace bent or clogged needles or switch needle configurations to maximize syringe life across different lab uses.

  • Precise and repeatable injections

    Designed so that the needle hub is positioned exactly at the syringe barrel’s zero volume mark to minimize dead volume.

  • Tight seal to prevent leaks

    Removable Needles use a chemically resistant compression seal to ensure secure attachment to the syringe’s glass barrel.

View all Removable Needles

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Part # Gauge Point Style Needle Length Autoclavable Gas Sterilizable Sales Quantity

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Large Hub Removable Needle (RN)

Large Hub Removable (RN) needles can be used with Removable Needle (RN) syringes that are 250 μL and larger, or SampleLock syringes. Standard needle length is 2" / 51 mm. Removable (RN) needles are available in convenient six packs. Custom lengths and point styles are available.
Needles Removable Needle Large Hub

Small Hub Removable Needle

Small Hub Removable (RN) needles can be used with Removable Needle (RN) syringes that are 100 μL and smaller. Standard needle length is 2" / 51 mm. Removable (RN) needles are available in convenient six packs. Custom lengths and point styles are available.
Needles Removable Needle Small Hub

Try the Visual Needle Builder

Take the hassle out of syringe needle selection with Hamilton's visual tool to guide you through the selection process.
Hamilton Needle Builder

Needle Gauge Chart

In addition to being inert stainless steel, lab needles require proper sizing in order to function properly. The diameter of a needle is defined by its gauge. Hamilton company offers a wide spectrum of gauges. This index displays the internal and outer dimensions and the dead volume.
needle syringe gauge

Removable Needles Resources

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

Browse app notes, user guides, specification documents, and more in our Knowledge Center.

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