Hypodermic Needle Gauge Chart
Birmingham or Stubs Gauge (inch)
|
Outer Diameter |
Inner Diameter |
Wall |
| Gauge |
Type |
Min |
Nominal |
Max |
Min |
Nominal |
Max |
Nominal |
| 6 |
RW |
0.202 |
0.203 |
0.204 |
0.17 |
0.173 |
0.176 |
0.015 |
|
|
|
|
|
|
|
|
|
| 7 |
RW |
0.179 |
0.18 |
0.181 |
0.147 |
0.15 |
0.153 |
0.015 |
|
|
|
|
|
|
|
|
|
| 8 |
RW |
0.164 |
0.165 |
0.166 |
0.132 |
0.135 |
0.138 |
0.015 |
|
|
|
|
|
|
|
|
|
| 9 |
RW |
0.147 |
0.148 |
0.149 |
0.115 |
0.118 |
0.121 |
0.015 |
|
|
|
|
|
|
|
|
|
| 10 |
RW |
0.133 |
0.134 |
0.135 |
0.104 |
0.106 |
0.108 |
0.014 |
|
TW |
0.133 |
0.134 |
0.135 |
0.112 |
0.114 |
0.116 |
0.01 |
|
|
|
|
|
|
|
|
|
| 11 |
RW |
0.119 |
0.12 |
0.121 |
0.092 |
0.094 |
0.096 |
0.013 |
|
TW |
0.119 |
0.12 |
0.121 |
0.098 |
0.1 |
0.102 |
0.01 |
|
|
|
|
|
|
|
|
|
| 12 |
RW |
0.108 |
0.109 |
0.11 |
0.083 |
0.085 |
0.087 |
0.012 |
|
TW |
0.108 |
0.109 |
0.11 |
0.089 |
0.091 |
0.093 |
0.009 |
|
|
|
|
|
|
|
|
|
| 13 |
RW |
0.094 |
0.095 |
0.096 |
0.069 |
0.071 |
0.073 |
0.012 |
|
TW |
0.094 |
0.095 |
0.096 |
0.075 |
0.077 |
0.079 |
0.009 |
|
|
|
|
|
|
|
|
|
| 14 |
RW |
0.082 |
0.083 |
0.084 |
0.061 |
0.063 |
0.065 |
0.01 |
|
TW |
0.082 |
0.083 |
0.084 |
0.066 |
0.0673 |
0.0685 |
0.0079 |
|
XTW |
0.082 |
0.083 |
0.084 |
0.071 |
0.072 |
0.073 |
0.0055 |
|
UTW |
0.082 |
0.083 |
0.084 |
0.073 |
0.0745 |
0.076 |
0.0043 |
|
|
|
|
|
|
|
|
|
| 15 |
RW |
0.0715 |
0.072 |
0.0725 |
0.0525 |
0.0538 |
0.055 |
0.0091 |
|
TW |
0.0715 |
0.072 |
0.0725 |
0.0595 |
0.0605 |
0.0615 |
0.0058 |
|
XTW |
0.0715 |
0.072 |
0.0725 |
0.0615 |
0.0625 |
0.0635 |
0.0048 |
|
UTW |
0.0715 |
0.072 |
0.0725 |
0.0635 |
0.0645 |
0.0655 |
0.0038 |
|
|
|
|
|
|
|
|
|
| 16 |
RW |
0.0645 |
0.065 |
0.0655 |
0.0455 |
0.047 |
0.0485 |
0.009 |
|
TW |
0.0645 |
0.065 |
0.0655 |
0.0525 |
0.0535 |
0.0545 |
0.0058 |
|
UTW |
0.0645 |
0.065 |
0.0655 |
0.0565 |
0.0575 |
0.0585 |
0.0038 |
|
XTW |
0.0645 |
0.065 |
0.0655 |
0.0545 |
0.0555 |
0.0565 |
0.0048 |
|
|
|
|
|
|
|
|
|
| 17 |
RW |
0.0575 |
0.058 |
0.0585 |
0.0405 |
0.042 |
0.0435 |
0.008 |
|
TW |
0.0575 |
0.058 |
0.0585 |
0.0465 |
0.0475 |
0.0485 |
0.0053 |
|
UTW |
0.0575 |
0.058 |
0.0585 |
0.051 |
0.052 |
0.053 |
0.003 |
|
XTW |
0.0575 |
0.058 |
0.0585 |
0.049 |
0.05 |
0.051 |
0.004 |
|
|
|
|
|
|
|
|
|
| 18 |
RW |
0.0495 |
0.05 |
0.0505 |
0.0315 |
0.033 |
0.0345 |
0.0085 |
|
TW |
0.0495 |
0.05 |
0.0505 |
0.0375 |
0.0385 |
0.0395 |
0.0058 |
|
UTW |
0.0495 |
0.05 |
0.0505 |
0.043 |
0.044 |
0.045 |
0.003 |
|
XTW |
0.0495 |
0.05 |
0.0505 |
0.041 |
0.042 |
0.043 |
0.004 |
|
|
|
|
|
|
|
|
|
| 19 |
RW |
0.0415 |
0.042 |
0.0425 |
0.0255 |
0.027 |
0.0285 |
0.0075 |
|
TW |
0.0415 |
0.042 |
0.0425 |
0.0315 |
0.0325 |
0.0335 |
0.0048 |
|
XTW |
0.0415 |
0.042 |
0.0425 |
0.0335 |
0.0345 |
0.0355 |
0.0038 |
|
|
|
|
|
|
|
|
|
| 20 |
RW |
0.0355 |
0.0358 |
0.036 |
0.023 |
0.0238 |
0.0245 |
0.006 |
|
TW |
0.0355 |
0.0358 |
0.036 |
0.0255 |
0.0263 |
0.027 |
0.0048 |
|
|
|
|
|
|
|
|
|
| 21 |
RW |
0.032 |
0.0323 |
0.0325 |
0.0195 |
0.0203 |
0.021 |
0.006 |
|
TW |
0.032 |
0.0323 |
0.0325 |
0.0225 |
0.0233 |
0.024 |
0.0045 |
|
|
|
|
|
|
|
|
|
| 22 |
RW |
0.028 |
0.0283 |
0.0285 |
0.0155 |
0.0163 |
0.017 |
0.006 |
|
TW |
0.028 |
0.0283 |
0.0285 |
0.019 |
0.0198 |
0.0205 |
0.0043 |
|
XTW |
0.028 |
0.0283 |
0.0285 |
0.0215 |
0.0233 |
0.023 |
0.003 |
|
|
|
|
|
|
|
|
|
| 23 |
RW |
0.025 |
0.0253 |
0.0255 |
0.0125 |
0.0133 |
0.014 |
0.006 |
|
TW |
0.025 |
0.0253 |
0.0255 |
0.0165 |
0.0173 |
0.018 |
0.004 |
|
|
|
|
|
|
|
|
|
| 24 |
RW |
0.022 |
0.0223 |
0.0225 |
0.0115 |
0.0123 |
0.013 |
0.005 |
|
TW |
0.022 |
0.0223 |
0.0225 |
0.0135 |
0.0143 |
0.015 |
0.004 |
|
|
|
|
|
|
|
|
|
| 25 |
RW |
0.02 |
0.0203 |
0.0205 |
0.0095 |
0.0103 |
0.011 |
0.005 |
|
TW |
0.02 |
0.0203 |
0.0205 |
0.0115 |
0.0123 |
0.013 |
0.004 |
|
|
|
|
|
|
|
|
|
| 26 |
RW |
0.018 |
0.0183 |
0.0185 |
0.0095 |
0.0103 |
0.011 |
0.004 |
|
|
|
|
|
|
|
|
|
| 27 |
RW |
0.016 |
0.0163 |
0.0165 |
0.0075 |
0.0083 |
0.009 |
0.004 |
|
TW |
0.016 |
0.0163 |
0.0165 |
0.0095 |
0.0103 |
0.011 |
0.003 |
|
XTW |
0.016 |
0.0163 |
0.0165 |
0.0105 |
0.0113 |
0.012 |
0.0025 |
|
|
|
|
|
|
|
|
|
| 28 |
RW |
0.014 |
0.0143 |
0.0145 |
0.0065 |
0.0073 |
0.008 |
0.0035 |
|
TW |
0.014 |
0.0143 |
0.0145 |
0.0085 |
0.0093 |
0.01 |
0.0025 |
|
|
|
|
|
|
|
|
|
| 29 |
RW |
0.013 |
0.0133 |
0.0135 |
0.0065 |
0.0073 |
0.008 |
0.003 |
|
|
|
|
|
|
|
|
|
| 30 |
RW |
0.012 |
0.0123 |
0.0125 |
0.0055 |
0.0063 |
0.007 |
0.003 |
|
|
|
|
|
|
|
|
|
| 31 |
RW |
0.01 |
0.0103 |
0.0105 |
0.0045 |
0.0053 |
0.006 |
0.0025 |
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Page Last Updated: November 29, 2007