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Hypodermic Tube Gauge Chart

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Full Hard Temper, Type 304 Stainless Steel, TIG welded & drawn
All RW, TW, XT, XX, X & 1/2 gauges stocked in Type 316 Stainless Steel tubing.
(Average Wall is reference dimension)

GAUGEODIDWALLOD TOLID TOL
3XT0.25900.23900.0100±.002±.002Quote
3TW0.25900.22900.0150±.002±.002Quote
3RW0.25900.21900.0200±.002±.003Quote
3 ½0.24900.21900.0150±.001±.003Quote
4XT0.23800.21800.0100±.002±.002Quote
4TW0.23800.20800.0150±.002±.002Quote
4RW0.23800.19800.0200±.002±.003Quote
4 ½0.22800.19800.0150±.001±.003Quote
5XT0.21900.20500.0070±.002±.002Quote
5TW0.21900.19900.0100±.002±.002Quote
5RW0.21900.18900.0150±.002±.003Quote
5 ½0.21100.18900.0110±.001±.003Quote
6X0.20300.18900.0070±.001±.002Quote
6TW0.20300.18300.0100±.001±.002Quote
6RW0.20300.17300.0150±.001±.003Quote
6 ½0.18800.16800.0100±.001±.003Quote
7XX0.18000.17300.0035±.001±.001Quote
7X0.18000.16600.0070±.001±.002Quote
7TW0.18000.16000.0100±.001±.002Quote
7RW0.18000.15000.0150±.001±.003Quote
7HV0.18000.13100.0245±.001±.003Quote
7 ½0.17200.15000.0110±.001±.003Quote
8XXX0.16500.15600.0045±.001±.002Quote
8XX0.16500.15000.0075±.001±.0025Quote
8TW0.16500.14500.0100±.001±.002Quote
8RW0.16500.13500.0150±.001±.003Quote
8HV0.16500.11700.0240±.001±.003Quote
8 ½0.15600.13600.0100±.001±.003Quote
9XXX0.14800.13700.0055±.001±.002Quote
9XX0.14800.13500.0065±.001±.002Quote
9TW0.14800.12800.0100±.001±.002Quote
9RW0.14800.11800.0150±.001±.003Quote
9HV0.14800.09800.0250±.001±.003Quote
9 ½0.14100.11900.0110±.001±.002Quote
10UT0.13400.12200.0060±.001±.002Quote
10XT0.13400.11800.0080±.001±.002Quote
10TW0.13400.11400.0100±.001±.002Quote
10RW0.13400.10600.0140±.001±.002Quote
10HV0.13400.10000.0170±.001±.002Quote
10 ½0.12600.10600.0100±.001±.002Quote
11XX0.12000.11200.0040±.001±.002Quote
11X0.12000.10600.0070±.001±.002Quote
11TW0.12000.10000.0100±.001±.002Quote
11RW0.12000.09400.0130±.001±.002Quote
11HV0.12000.09000.0150±.001±.002Quote
11 ½0.11500.09450.0103±.001±.0015Quote
12XX0.10900.10000.0045±.001±.001Quote
12XT0.10900.09500.0070±.001±.002Quote
12TW0.10900.09100.0090±.001±.002Quote
12RW0.10900.08500.0120±.001±.002Quote
12H0.10900.07700.0160±.001±.002Quote
12 ½0.10000.08200.0090±.001±.002Quote
13XX0.09500.09000.0025±.001±.001Quote
13X0.09500.08500.0050±.001±.001Quote
13TW0.09500.07700.0090±.001±.002Quote
13RW0.09500.07100.0120±.001±.002Quote
13HV0.09500.06400.0155±.001±.002Quote
13 ½0.08900.07100.0090±.001±.002Quote
14XX0.08300.07700.0030±.001±.001Quote
14UT0.08300.07450.0043±.001±.0015Quote
14XT0.08300.07200.0055±.001±.001Quote
14TW0.08300.06700.0080±.001+.0015/-.001Quote
14RW0.08300.06300.0100±.001±.002Quote
14H0.08300.04900.0170±.001±.002Quote
14XH0.08300.03900.0220±.001±.002Quote
14 ½0.07800.06300.0075±.001±.001Quote
15XXX0.07200.06950.0012±.0005±.0005Quote
15UT0.07200.06450.0038±.0005±.001Quote
15XTS0.07200.06300.0045±.0005±.001Quote
15TW0.07200.06000.0060±.0005+.0015/-.0005Quote
15RW0.07200.05400.0090±.0005±.0015Quote
15H0.07200.05000.0110±.0005±.002Quote
15 ½0.06800.05400.0070±.0005±.0015Quote
16XX0.06500.06000.0025±.0005+.001/-.0015Quote
16UT0.06500.05750.0038±.0005±.001Quote
16XT0.06500.05500.0050±.0005+.0015/-.0005Quote
16TW0.06500.05300.0060±.0005+.0015/-.0005Quote
16RW0.06500.04700.0090±.0005±.0015Quote
16H0.06500.03300.0160±.0005±.002Quote
16 ½0.06200.05200.0050±.0005±.0015Quote
17XX0.05900.05400.0025±.0005+.001/-.0005Quote
17SP0.05900.04100.0090±.0005±.0015Quote
17H0.05900.03900.0100±.0005±.002Quote
17UTS0.05850.05200.0033+.0005/-.001±.001Quote
17XT0.05800.05000.0040±.0005±.001Quote
17TW0.05800.04800.0050±.0005+.0005/-.0015Quote
17RW0.05800.04200.0080±.0005±.0015Quote
17 ½0.05600.04600.0050±.0005±.0015Quote
18XX0.05000.04500.0025±.0005±.001Quote
18UTS0.05000.04400.0030+.001/-.0005+.0015/-.001Quote
18XT0.05000.04200.0040±.0005±.001Quote
18TW0.05000.03800.0060±.0005+.0015/-.0005Quote
18RW0.05000.03300.0085±.0005±.0015Quote
18H0.05000.03000.0100±.0005±.002Quote
18 ½0.04600.03400.0060±.0005±.0015Quote
19XX0.04250.03750.0025±.0005±.001Quote
19H0.04250.02250.0100±.0005±.0015Quote
19XT0.04200.03500.0035±.0005±.001Quote
19TW0.04200.03200.0050±.0005+.0015/-.0005Quote
19RW0.04200.02700.0075±.0005±.0015Quote
19 ½0.03900.02700.0060±.0005±.0015Quote
1.0 X 0.5 MM0.03900.01900.0100±.0039±.0039Quote
20XX0.03550.03050.0025+.0005/-0±.001Quote
20XT0.03550.02750.0040+.0005/-0+.001/-.0005Quote
20TW0.03550.02550.0050+.0005/-0+.0015/-0Quote
20RW0.03550.02350.0060+.0005/-0+.001/-.0005Quote
20HV0.03550.01950.0080+.0005/-0±.0015Quote
20 ½0.03400.02650.0038+.0005/-0±.001Quote
21XX0.03200.02900.0015+.0005/-0+.0005/-.001Quote
21XT0.03200.02500.0035+.0005/-0+.001/-.0005Quote
21TW0.03200.02300.0045+.0005/-0+.001/-.0005Quote
21RW0.03200.02000.0060+.0005/-0+.001/-.0005Quote
21H0.03200.01650.0078+.0005/-0±.0015Quote
21 ½0.03000.02400.0030+.0005/-0+.0005/-.001Quote
22S0.02850.00600.0113±.0005+.001/-.0005Quote
22XX0.02800.02350.0023+.0005/-0±.0005Quote
22XTS0.02800.02100.0035+.0005/-0+.001/-.0005Quote
22TW0.02800.02000.0040+.0005/-0+.0005/-.001Quote
22RW0.02800.01600.0060+.0005/-0+.001/-.0005Quote
22 ½0.02600.02050.0028+.0005/-0+.0005/-.001Quote
23HV0.02550.00500.0103±.0005±.001Quote
23XX0.02500.02000.0025+.0005/-0+.001/-.0005Quote
23TW0.02500.01700.0040+.0005/-0+.001/-.0005Quote
23RW0.02500.01300.0060+.0005/-0+.001/-.0005Quote
23 ½0.02300.01750.0028+.0005/-0+.0005/-.001Quote
24HV0.02250.00500.0088±.0005+.001/-.0005Quote
24XX0.02200.01600.0030+.0005/-0+.001/-.0005Quote
24TW0.02200.01400.0040+.0005/-0+.001/-.0005Quote
24RW0.02200.01200.0050+.0005/-0+.001/-.0005Quote
24 ½0.02100.01650.0023+.0005/-0+.0005/-.001Quote
25S0.02050.00600.0073±.0005±.001Quote
25XX0.02000.01600.0020+.0005/-0+.001/-.0005Quote
25TW0.02000.01200.0040+.0005/-0+.001/-.0005Quote
25RW0.02000.01000.0050+.0005/-0+.001/-.0005Quote
25 ½0.01900.01450.0023+.0005/-0+.0005/-.001Quote
26S0.01850.00450.0070±.0005+.001/-.0005Quote
26XV0.01800.01350.0023+.0005/-0+.001/-.0005Quote
26TW0.01800.01200.0030+.0005/-0+.001/-.0005Quote
26RW0.01800.01000.0040+.0005/-0+.001/-.0005Quote
27XV0.01600.01150.0023+.0005/-0+.001/-.0005Quote
27TW0.01600.01000.0030+.0005/-0+.001/-.0005Quote
27RW0.01600.00800.0040+.0005/-0+.001/-.0005Quote
28XV0.01400.01050.0018+.0005/-0+.001/-.0005Quote
28TW0.01400.00900.0025+.0005/-0+.001/-.0005Quote
28RW0.01400.00700.0035+.0005/-0+.001/-.0005Quote
29RW0.01300.00700.0030+.0005/-0+.001/-.0005Quote
30RW0.01200.00600.0030+.0005/-0+.001/-.0005Quote
31RW0.01000.00500.0025+.0005/-0+.001/-.0005Quote
32RW0.00900.00400.0025+.0005/-0+.001/-.0005Quote
33RW0.00800.00400.0020+.0005/-0+.001/-.0005Quote
34RW0.00700.00300.0020+.0005/-0+.001/-.0005Quote
35RW0.00500.00200.0015+.0005/-0+.001/-.0005Quote
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