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Coopers Needle Works ltd

CNW stock stainless tubing and stainless hypodermic tube in sizes ranging from 0.2mm to 20.0mm, in grades 316, 304 and others. Our stainless tubing is supplied in metre lengths, but can be cut to length with a general tolerance of +/-0.25mm and we have the ability to work to smaller tolerances where required.

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Our product listing though extensive is not exhaustive if you require something you cannot find please contact us.

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Please note the permissible size variations stated in our Terms & Conditions

  • Gauge
    OD mm
    ID mm
    Wall mm
    OD″
    ID″
    Wall″
    36 Gauge
    0.203
    0.101
    0.051
    0.008
    0.004
    0.002
    34 Gauge
    0.229
    0.127
    0.051
    0.009
    0.005
    0.002
    33 Gauge
    0.254
    0.152
    0.051
    0.01
    0.006
    0.002
    31 Gauge
    0.279
    0.102
    0.089
    0.011
    0.004
    0.004
    30 Gauge
    0.305
    0.152
    0.077
    0.012
    0.006
    0.003
    29 Gauge
    0.33
    0.178
    0.076
    0.013
    0.007
    0.003
    27 Gauge*
    0.406
    0.203
    0.102
    0.016
    0.008
    0.004
    26 Gauge*
    0.457
    0.254
    0.102
    0.018
    0.01
    0.004
    25 Gauge*
    0.51
    0.254
    0.128
    0.02
    0.01
    0.005
    24 Gauge*
    0.56
    0.305
    0.128
    0.022
    0.012
    0.005
    23 Gauge*
    0.64
    0.33
    0.153
    0.025
    0.013
    0.006
    22 Gauge*
    0.71
    0.406
    0.152
    0.028
    0.016
    0.006
    21 Gauge*
    0.81
    0.51
    0.15
    0.032
    0.02
    0.006
    20 Gauge*
    0.89
    0.584
    0.153
    0.035
    0.023
    0.006
    19 Gauge*
    1.1
    0.685
    0.208
    0.043
    0.027
    0.008
    18 Gauge*
    1.24
    0.85
    0.195
    0.049
    0.033
    0.008
    17 Gauge*
    1.47
    1.1
    0.185
    0.058
    0.043
    0.008
    16 Gauge*
    1.65
    1.2
    0.225
    0.065
    0.047
    0.009
    15 Gauge*
    1.82
    1.35
    0.235
    0.072
    0.053
    0.01
    14 Gauge*
    2.05
    1.55
    0.25
    0.081
    0.061
    0.01
    13 Gauge*
    2.34
    1.77
    0.285
    0.092
    0.07
    0.011
    12 Gauge*
    2.65
    2
    0.325
    0.104
    0.079
    0.013
    12 Gauge Special
    2.65
    2.1
    0.275
    0.104
    0.083
    0.011
    11 Gauge*
    2.95
    2.3
    0.325
    0.116
    0.091
    0.013
    10 Gauge*
    3.3
    2.5
    0.4
    0.129
    0.098
    0.016
    9 Gauge
    3.69
    2.87
    0.41
    0.145
    0.113
    0.016
    8 Gauge
    4.04
    3.28
    0.38
    0.159
    0.129
    0.015
    7 Gauge
    4.45
    3.69
    0.38
    0.175
    0.145
    0.015
    6 Gauge
    4.98
    4.07
    0.455
    0.196
    0.16
    0.018
    5 Gauge
    5.46
    4.55
    0.455
    0.215
    0.179
    0.018
    4 Gauge
    6
    5.08
    0.46
    0.236
    0.2
    0.018

    *denotes also available in coil

    View full product list PDF

  • GAUGE
    OD mm
    ID mm
    Wall mm
    OD″
    ID″
    Wall″
    30 Gauge T/W
    0.305
    0.19
    0.058
    0.012
    0.007
    0.003
    26 Gauge T/W
    0.457
    0.305
    0.076
    0.018
    0.012
    0.003
    25 Gauge T/W
    0.51
    0.305
    0.103
    0.02
    0.012
    0.004
    24 Gauge T/W
    0.56
    0.381
    0.09
    0.022
    0.015
    0.004
    23 Gauge T/W
    0.635
    0.406
    0.115
    0.025
    0.016
    0.005
    22 Gauge T/W
    0.71
    0.51
    0.1
    0.028
    0.02
    0.004
    21 Gauge T/W
    0.81
    0.635
    0.088
    0.032
    0.025
    0.004
    20 Gauge T/W
    0.89
    0.66
    0.115
    0.035
    0.026
    0.005
    19 Gauge T/W
    1.067
    0.81
    0.129
    0.042
    0.032
    0.005
    18 Gauge T/W
    1.24
    0.91
    0.165
    0.049
    0.036
    0.007
    17 Gauge T/W
    1.47
    1.14
    0.165
    0.058
    0.045
    0.007
    16 Gauge T/W
    1.65
    1.39
    0.13
    0.065
    0.055
    0.005
    15 Gauge T/W
    1.828
    1.473
    0.178
    0.072
    0.058
    0.007
    14 Gauge T/W
    2.108
    1.828
    0.14
    0.083
    0.072
    0.006
    13 Gauge T/W
    2.388
    2.058
    0.165
    0.094
    0.081
    0.007

    Permissible dimension variations: WHD and WBA OD/ID tolerances 0.02"

    See full product list as PDF

  • OD mm
    ID mm
    Wall mm
    OD″
    ID″
    Wall″
    2
    1
    0.5
    0.079
    0.039
    0.02
    2
    1.5
    0.25
    0.079
    0.059
    0.01
    2.5
    1.5
    0.5
    0.099
    0.059
    0.02
    3
    2.4
    0.3
    0.118
    0.095
    0.012
    4
    2
    1
    0.157
    0.079
    0.039
    4.5
    3.5
    0.5
    0.177
    0.137
    0.02
    5
    2
    1.5
    0.197
    0.079
    0.059
    5
    3
    1
    0.197
    0.118
    0.04
    5
    3.5
    0.75
    0.197
    0.137
    0.03
    5
    4
    0.5
    0.197
    0.157
    0.02
    5
    4.5
    0.25
    0.197
    0.177
    0.01
    6
    2
    2
    0.236
    0.079
    0.08
    6
    3
    1.5
    0.236
    0.118
    0.059
    6
    4
    1
    0.236
    0.157
    0.04
    6
    4.5
    0.75
    0.236
    0.177
    0.03
    6
    5
    0.5
    0.236
    0.197
    0.02
    7
    5
    1
    0.276
    0.197
    0.04
    8
    4
    2
    0.315
    0.157
    0.079
    8
    5
    1.5
    0.315
    0.197
    0.059
    8
    6
    1
    0.315
    0.236
    0.04
    8
    7
    0.5
    0.315
    0.276
    0.02
    9
    6
    1.5
    0.354
    0.236
    0.059
    10
    6
    2
    0.394
    0.236
    0.079
    10
    7
    1.5
    0.394
    0.276
    0.059
    10
    8
    1
    0.394
    0.315
    0.04
    10
    9
    0.5
    0.394
    0.354
    0.02
    12
    10
    1
    0.472
    0.394
    0.039
    14
    11
    1.5
    0.551
    0.433
    0.059
    14
    12
    1
    0.551
    0.472
    0.04
    15
    12
    1.5
    0.591
    0.472
    0.06
    15
    13
    1
    0.591
    0.512
    0.04
    16
    13
    1.5
    0.63
    0.512
    0.059
    18
    14
    2
    0.709
    0.551
    0.079
    20
    17
    1.5
    0.787
    0.669
    0.06
    20
    18
    1
    0.787
    0.709
    0.039

    View our full product list as a PDF

  • Fractional Size
    OD mm
    ID mm
    Wall mm
    OD″
    ID″
    Wall″
    ¼″ x16gauge
    6.35
    3.1
    1.625
    0.25
    0.122
    0.064
    ¼″ x14gauge
    6.35
    2.28
    2.035
    0.25
    0.0898
    0.08
    5/16″ x25gauge
    7.94
    6.93
    0.505
    0.3125
    0.2728
    0.02
    5/16″ x24gauge
    7.94
    6.83
    0.555
    0.3125
    0.2689
    0.022
    5/16″ x22gauge
    7.94
    6.53
    0.705
    0.3125
    0.2571
    0.028
    5/16″ x21gauge
    7.94
    6.32
    0.81
    0.3125
    0.2488
    0.032
    5/16″ x20gauge
    7.94
    6.12
    0.91
    0.3125
    0.2409
    0.036
    5/16″ x18gauge
    7.94
    5.51
    1.215
    0.3125
    0.2169
    0.048
    5/16″ x16gauge
    7.94
    4.68
    1.63
    0.3125
    0.1843
    0.064
    3/8″ x25gauge
    9.53
    8.51
    0.51
    0.375
    0.335
    0.02
    3/8″ x22gauge
    9.53
    8.11
    0.71
    0.375
    0.3193
    0.028
    3/8″ x20gauge
    9.53
    7.7
    0.915
    0.375
    0.3031
    0.036
    3/8″ x18gauge
    9.53
    7.09
    1.22
    0.375
    0.2791
    0.048
    3/8″ x16gauge
    9.53
    6.27
    1.63
    0.375
    0.2468
    0.064
    3/8” x14 gauge
    9.53
    5.46
    2.035
    0.375
    0.215
    0.08
    3/8″ x10gauge
    9.53
    3.18
    3.175
    0.375
    0.1252
    0.125
    7/16″ x26gauge
    11.11
    10.02
    0.545
    0.4375
    0.3945
    0.022
    7/16″ x22gauge
    11.11
    9.69
    0.71
    0.4375
    0.3815
    0.028
    7/16″ x20gauge
    11.11
    9.28
    0.915
    0.4375
    0.3655
    0.036
    7/16″ x18gauge
    11.11
    8.67
    1.22
    0.4375
    0.3413
    0.048
    7/16″ x16gauge
    11.11
    7.86
    1.625
    0.4375
    0.3094
    0.064
    ½″ x33gauge
    12.7
    12.19
    0.255
    0.5
    0.4799
    0.01
    ½″ x26gauge
    12.7
    11.78
    0.46
    0.5
    0.4638
    0.018
    ½″ x24gauge
    12.7
    11.5
    0.6
    0.5
    0.4528
    0.024
    ½″ x22gauge
    12.7
    11.28
    0.71
    0.5
    0.4441
    0.028
    ½″ x20gauge
    12.7
    10.87
    0.915
    0.5
    0.428
    0.036
    ½″ x18gauge
    12.7
    10.26
    1.22
    0.5
    0.4039
    0.048
    ½″ x16gauge
    12.7
    9.4
    1.65
    0.5
    0.3701
    0.065
    9/16″ x22gauge
    14.29
    11.84
    1.225
    0.5625
    0.507
    0.028
    9/16” x 18gauge
    14.29
    11.36
    1.215
    0.5625
    0.4665
    0.048
    9/16″ x16gauge
    14.29
    10.99
    1.65
    0.5625
    0.4327
    0.065
    5/8″ x22gauge
    15.88
    14.45
    0.715
    0.625
    0.5689
    0.028
    5/8″ x18gauge
    15.88
    13.44
    1.22
    0.625
    0.529
    0.048
    5/8″ x16gauge
    15.88
    12.57
    1.65
    0.625
    0.4949
    0.065
    1/16″ x1/32″
    1.59
    0.79
    0.4
    0.0625
    0.0313
    0.016
    1/16″ x0.008″ wall
    1.59
    1.19
    0.2
    0.0625
    0.0469
    0.008
    1/16″ x33gauge
    1.59
    1.09
    0.25
    0.0625
    0.0429
    0.01
    1/16″ x30gauge
    1.59
    0.97
    0.31
    0.0625
    0.0382
    0.012
    1/16″ x27gauge
    1.59
    0.79
    0.4
    0.0625
    0.0311
    0.016
    1/16” x0.017” wall
    1.59
    0.71
    0.44
    0.0625
    0.028
    0.017
    1/16″ x25gauge
    1.59
    0.56
    0.515
    0.0625
    0.022
    0.02
    1/16″ x24gauge
    1.59
    0.46
    0.565
    0.0625
    0.0181
    0.022
    1/16″ x0.010″ ID
    1.59
    0.25
    0.668
    0.0625
    0.01
    0.026
    3/32″ x36gauge
    2.38
    1.98
    0.2
    0.0937
    0.078
    0.008
    3/32″ x30gauge
    2.38
    1.78
    0.3
    0.0937
    0.0701
    0.012
    3/32″ x27gauge
    2.38
    1.57
    0.405
    0.0937
    0.0618
    0.016
    1/8″ x1/16″
    3.18
    1.59
    0.795
    0.125
    0.0626
    0.032
    1/8″ x0.006″ wall
    3.18
    2.87
    0.155
    0.125
    0.113
    0.006
    1/8″ x36gauge
    3.18
    2.77
    0.205
    0.125
    0.1091
    0.008
    1/8″ x33gauge
    3.18
    2.67
    0.255
    0.125
    0.1051
    0.01
    1/8″ x30gauge
    3.18
    2.57
    0.305
    0.125
    0.1012
    0.012
    1/8″ x27gauge
    3.18
    2.36
    0.41
    0.125
    0.0929
    0.016
    1/8″ x26gauge
    3.18
    2.26
    0.46
    0.125
    0.089
    0.018
    1/8″ x25gauge
    3.18
    2.16
    0.51
    0.125
    0.085
    0.02
    1/8″ x24gauge
    3.18
    2.06
    0.56
    0.125
    0.0811
    0.022
    1/8″ x22gauge
    3.18
    1.75
    0.715
    0.125
    0.0689
    0.028
    1/8″ x21gauge
    3.18
    1.55
    0.815
    0.125
    0.061
    0.032
    1/8″ x20gauge
    3.18
    1.35
    0.915
    0.125
    0.053
    0.036
    1/8″ x18gauge
    3.18
    0.69
    1.245
    0.125
    0.0272
    0.049
    5/32″ x33gauge
    3.97
    3.45
    0.26
    0.1563
    0.1358
    0.01
    5/32″ x27gauge
    3.97
    3.14
    0.415
    0.1563
    0.1236
    0.016
    5/32″ x24gauge
    3.97
    2.84
    0.565
    0.1563
    0.1118
    0.022
    5/32″ x22gauge
    3.97
    2.55
    0.71
    0.1563
    0.1004
    0.028
    5/32″ x20gauge
    3.97
    2.18
    0.895
    0.1563
    0.0858
    0.035
    3/16″ x36gauge
    4.76
    4.35
    0.205
    0.1875
    0.1713
    0.008
    3/16″ x33gauge
    4.76
    4.25
    0.255
    0.1875
    0.1673
    0.01
    3/16″ x27gauge
    4.76
    3.96
    0.4
    0.1875
    0.1559
    0.016
    3/16″ x26gauge
    4.76
    3.86
    0.45
    0.1875
    0.152
    0.018
    3/16″ x25gauge
    4.76
    3.76
    0.5
    0.1875
    0.148
    0.02
    3/16″ x24gauge
    4.76
    3.66
    0.55
    0.1875
    0.1441
    0.022
    3/16″ x22gauge
    4.76
    3.35
    0.705
    0.1875
    0.1319
    0.028
    3/16″ x21gauge
    4.76
    3.15
    0.805
    0.1875
    0.124
    0.032
    3/16″ x20gauge
    4.76
    3
    0.915
    0.1875
    0.1181
    0.036
    3/16″ x18gauge
    4.76
    2.29
    1.235
    0.1875
    0.0902
    0.049
    3/16″ x16gauge
    4.76
    1.47
    1.645
    0.1875
    0.0579
    0.065
    ¼″ x0.006″ wall
    6.35
    6.04
    0.155
    0.25
    0.2378
    0.006
    ¼″ x33gauge
    6.35
    5.84
    0.255
    0.25
    0.2299
    0.01
    ¼″ x27gauge
    6.35
    5.54
    0.405
    0.25
    0.2181
    0.016
    ¼″ x25gauge
    6.35
    5.33
    0.51
    0.25
    0.2098
    0.02
    ¼″ x24gauge
    6.35
    5.23
    0.56
    0.25
    0.2059
    0.022
    ¼″ x22gauge
    6.35
    4.93
    0.71
    0.25
    0.1941
    0.028
    ¼″ x21gauge
    6.35
    4.72
    0.815
    0.25
    0.1858
    0.032
    ¼″ x20gauge
    6.35
    4.52
    0.915
    0.25
    0.178
    0.036
    ¼″ x18gauge
    6.35
    3.91
    1.222
    0.25
    0.1539
    0.048

    View our full product list as a PDF

  • OD mm
    ID mm
    Wall mm
    OD″
    ID″
    Wall″
    0.635
    0.36/0.38
    0.138/0.128
    0.025
    0.0145
    0.005
    0.76
    0.46
    0.15
    0.03
    0.018
    0.006
    0.81
    0.31
    0.25
    0.032
    0.012
    101
    0.89
    0.7
    0.095
    0.035
    0.0276
    0.004
    0.89/0.90
    0.71/0.73
    0.090/0.085
    0.035
    0.028
    0.004
    0.9
    0.43
    0.235
    0.035
    0.017
    0.009
    0.96/0.99
    0.73/0.75
    0.115/0.120
    0.038
    0.029
    0.005
    1.02
    0.81
    0.105
    0.04
    0.0319
    0.004
    1.1
    0.635
    0.233
    0.043
    0.025
    0.009
    1.0/1.1
    0.73/0.75
    0.135/0.175
    0.041
    0.029
    0.006
    1.1
    0.9
    0.1
    0.043
    0.0354
    0.004
    1.18/1.16
    0.71/0.73
    0.235/0.215
    0.046
    0.028
    0.009
    1.2
    0.99
    0.105
    0.047
    0.039
    0.004
    1.22
    0.279
    0.471
    0.048
    0.011
    0.019
    1.22
    1.02
    0.1
    0.048
    0.0402
    0.004
    1.32
    1.07
    0.125
    0.052
    0.0421
    0.005
    1.33
    1.12
    0.105
    0.052
    0.0441
    0.004
    1.42
    1.22
    0.1
    0.056
    0.048
    0.004
    1.63
    1.37
    0.13
    0.064
    0.0539
    0.005
    1.676
    1.37
    0.153
    0.066
    0.0539
    0.006
    1.778
    1.143
    0.318
    0.07
    0.045
    0.013
    1.83
    1.6/1.64
    0.115/0.095
    0.072
    0.063/0.065
    0.005/0.004
    1.84
    1.51
    0.165
    0.072
    0.0594
    0.006
    1.91
    1.65
    0.13
    0.075
    0.065
    0.005
    2.11
    1.6
    0.255
    0.083
    0.063
    0.01
    2.13
    1.27
    0.43
    0.084
    0.05
    0.017
    2.17
    1.7
    0.235
    0.085
    0.0669
    0.009
    2.387
    1.625
    0.381
    0.094
    0.064
    0.015
    3.505
    2.69
    0.408
    0.138
    0.1059
    0.016
    4
    2.8
    0.6
    0.157
    0.11
    0.023
    4.36
    3.49
    0.435
    0.172
    0.1374
    0.017
    4.4
    3.28
    0.56
    0.173
    0.1291
    0.022

    Permissible dimension variations: outside diameter +/-0.005″ +/-0.13mm. Wall thickness +/- 15%

Our tube and rod size Downloads are available to be viewed online via tablet or desktop

  • What is the average lead time?
    Lead times vary depending on the complexity of the product. Generally, orders are completed within 3-5 days for standard items, 7-10 days for more intricate products, and 10-14 days for highly specialized or custom items.
  • How do I know which service best supports my product requirements?
    Our dedicated team at Coopers Needle Works is here to offer advice and guidance tailored to your specific needs. We understand that each project is unique, and we can help you determine the most suitable services and materials to ensure your product design is fully supported from start to finish. Feel free to reach out to us for personalized assistance.
  • What is the difference between 304 and 316 stainless steel tube?
    304 Stainless Steel: Commonly used in general applications with good corrosion resistance but less effective in chloride-rich environments. 316 Stainless Steel: Contains molybdenum, which provides enhanced corrosion resistance, especially against chlorides and chemicals, making it ideal for marine, chemical, and coastal environments.
  • Is there a minimum order value?
    Yes, the minimum order value is £45 for domestic orders and £50 for international orders. However, if you choose to collect your order from our Birmingham location, there is no minimum order requirement.
  • How is postage calculated?
    We use well-known, reliable carriers to ensure your order is delivered safely. Postage costs are categorized based on the size, weight, and dimensions of your order. For added convenience, all orders above £500 qualify for free postage.
  • What is the average lead time?
    Lead times vary depending on the complexity of the product. Generally, orders are completed within 3-5 days for standard items, 7-10 days for more intricate products, and 10-14 days for highly specialized or custom items.
  • How do I know which service best supports my product requirements?
    Our dedicated team at Coopers Needle Works is here to offer advice and guidance tailored to your specific needs. We understand that each project is unique, and we can help you determine the most suitable services and materials to ensure your product design is fully supported from start to finish. Feel free to reach out to us for personalized assistance.
  • What is the difference between 304 and 316 stainless steel tube?
    304 Stainless Steel: Commonly used in general applications with good corrosion resistance but less effective in chloride-rich environments. 316 Stainless Steel: Contains molybdenum, which provides enhanced corrosion resistance, especially against chlorides and chemicals, making it ideal for marine, chemical, and coastal environments.
  • Is there a minimum order value?
    Yes, the minimum order value is £45 for domestic orders and £50 for international orders. However, if you choose to collect your order from our Birmingham location, there is no minimum order requirement.
  • How is postage calculated?
    We use well-known, reliable carriers to ensure your order is delivered safely. Postage costs are categorized based on the size, weight, and dimensions of your order. For added convenience, all orders above £500 qualify for free postage.

Our Product Range

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