Needle Bushings
Purchase the proper bushing to connect any Small Hub Removable Needle (RN) or a Hat Needle to a 1/4-28 flat bottom port.
Compatible Needles
Valve Port Hat Type Needles
Hat type needles are designed to be connected directly to a flat bottom valve port.
Small Hub RN
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.
Work with R&D engineers to customize Hamilton parts
Hamilton's "Custom Built" program puts you directly in contact with a Hamilton R&D Engineer to discuss your application and product needs. The engineer will point you to a standard solution or propose a customized solution to meet your needs.
Talk to an engineer