Hat type needles are designed to be connected directly to a flat bottom valve port.
Needle Bushings
Inert Valve and Syringe Fittings
Purchase the proper bushing to connect any Small Hub Removable Needle (RN) or a Hat Needle to a 1/4-28 flat bottom port.
Part # | Description |
---|---|
35056 | 1/4-28 Bushing for “Hat” Type Needles |
35035 | 1/4-28 Bushing for small hub Removable Needles (RN) |
Compatible Needles

Valve Port Hat Type Needles

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.