20 gauge needle
What is the nominal o.d. (mm) for 20 gauge needle?
For 20 gauge needle, nominal o.d. (mm) is 0.908; nominal i.d. (mm) is 0.603; wall thickness (mm) is 0.152; dead volume (ul per 25.4 mm) is 7.255 µL/25.4 mm, verified against its source on 2026-08-27.
20 gauge needle | 0.908 | 0.603 | 0.152 | 7.255 µL/25.4 mm
— hamiltoncompany.com, retrieved 2026-08-27
- Gauge number
- 20 gauge needle verified
- Nominal O.D. (mm)
- 0.908 verified
- Nominal I.D. (mm)
- 0.603 verified
- Wall thickness (mm)
- 0.152 verified
- Dead volume (uL per 25.4 mm)
- 7.255 µL/25.4 mm verified
Source
- hamiltoncompany.comhttps://www.hamiltoncompany.com/laboratory-products/needles-knowledge/needle-gauge-chart