# 14 RW — Hypodermic needle gauge dimensions (OD, ID, wall thickness, dead volume)

For 14 RW, nominal o.d. (mm) is 2.11; nominal i.d. (mm) is 1.60; wall thickness (mm) is .254, verified against its source on 2026-08-27.

- **Gauge number:** 14 RW _(verified: appears in the quote below)_
- **Nominal O.D. (mm):** 2.11 _(verified: appears in the quote below)_
- **Nominal I.D. (mm):** 1.60 _(verified: appears in the quote below)_
- **Wall thickness (mm):** .254 _(verified: appears in the quote below)_

## What the source says

> 14     RW   2.11   2.08/2.13   .254   1.60     1.55/1.65

## Source

- https://nesmalltube.com/wp-content/uploads/2025/06/Metric_Chart_Web.pdf

Last verified: 2026-08-27. Review by: 2029-08-26.
Part of [Hypodermic needle gauge dimensions (OD, ID, wall thickness, dead volume)](https://referencesource.org/syringe-needle-gauge-dimensions/).