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Coopers Needle Works ltd

Precision Stainless Steel Tubing & Hypodermic Tube Stockists

Precision Stainless Steel Tubing & Bespoke Micro-Bore Solutions


At Coopers Needle Works (CNW), we are a leading UK supplier of precision stainless steel and medical-grade hypodermic tubes. While you will find our core range featured below, these products represent just a fraction of what we can deliver. Every project is unique, and we want to know exactly what you require so we can help you achieve it.
Why Partner with CNW?

  • Extensive Stock & Range: Diameters from 0.2mm to in excess of 20.0mm, available in high-performance 316 and 304 stainless steel grades.

  • Precision Cut-to-Length Service: Supplied in standard one-meter lengths or precision-cut to your exact needs. Our standard tolerance is +/-0.25mm, but our engineering team frequently achieves even tighter tolerances for bespoke micro-bore requirements.

  • Proven Quality, Not Just Implied: We don't just talk about high standards—we prove them. Contact us today to request a product sample and experience our precision firsthand.

 
📞 Need a Specific Size or Fast Quote?
The quickest way to find out how we can help with your project is to speak with us directly. Please Contact Our Engineering Team Today or call on 0121 356 8884 to discuss your specifications, request samples, or get a tailored quote.

  • 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

    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

    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

    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

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

At Coopers Needle Works, we bridge the gap between industrial and medical grade tubing requirements. Our inventory features high-tolerance heavy wall industrial tubing for structural applications alongside precision hypodermic tubing and ultra-thin wall (UTW) variants for micro-fluidic and surgical use. All products are available in 304 and 316 grades, ensuring the highest standards of corrosion resistance and durability for global manufacturing.

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

Frequently asked questions

Frequently asked questions

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