Luer Tips
Needle wire gauge information from Wikipedia
Unfortunately, color code information gathered from various sources. Listed colors are (we think) the most common.
Note that the gauge size is sometimes identified with "g" or "G", and sometimes with "#".
Needle | Nominal outer diameter | Nominal inner diameter | Nominal wall thickness | Common Color | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Gauge | inches | mm | tol. inches (mm) | inches | mm | tol. inches (mm) | inches | mm | tol. inches (mm) | Plastic, Metal |
7 | 0.180 | 4.572 | ±0.001 (±0.025) | 0.150 | 3.810 | ±0.003 (±0.076) | 0.015 | 0.381 | ±0.001 (±0.025) | |
8 | 0.165 | 4.191 | ±0.001 (±0.025) | 0.135 | 3.429 | ±0.003 (±0.076) | 0.015 | 0.381 | ±0.001 (±0.025) | |
9 | 0.148 | 3.759 | ±0.001 (±0.025) | 0.118 | 2.997 | ±0.003 (±0.076) | 0.015 | 0.381 | ±0.001 (±0.025) | |
10 | 0.134 | 3.404 | ±0.001 (±0.025) | 0.106 | 2.692 | ±0.003 (±0.076) | 0.014 | 0.356 | ±0.001 (±0.025) | |
11 | 0.120 | 3.048 | ±0.001 (±0.025) | 0.094 | 2.388 | ±0.003 (±0.076) | 0.013 | 0.330 | ±0.001 (±0.025) | |
12 | 0.109 | 2.769 | ±0.001 (±0.025) | 0.085 | 2.159 | ±0.003 (±0.076) | 0.012 | 0.305 | ±0.001 (±0.025) | |
13 | 0.095 | 2.413 | ±0.001 (±0.025) | 0.071 | 1.803 | ±0.003 (±0.076) | 0.012 | 0.305 | ±0.001 (±0.025) | |
14 | 0.083 | 2.108 | ±0.001 (±0.025) | 0.063 | 1.600 | ±0.003 (±0.076) | 0.01 | 0.254 | ±0.001 (±0.025) | 14: Dark Green |
15 | 0.072 | 1.829 | ±0.0005 (±0.013) | 0.054 | 1.372 | ±0.0015 (±0.038) | 0.009 | 0.229 | ±0.0005 (±0.013) | 15: Orange |
16 | 0.065 | 1.651 | ±0.0005 (±0.013) | 0.047 | 1.194 | ±0.0015 (±0.038) | 0.009 | 0.229 | ±0.0005 (±0.013) | 16: Purple |
17 | 0.058 | 1.473 | ±0.0005 (±0.013) | 0.042 | 1.067 | ±0.0015 (±0.038) | 0.008 | 0.203 | ±0.0005 (±0.013) | 17: White |
18 | 0.050 | 1.270 | ±0.0005 (±0.013) | 0.033 | 0.838 | ±0.0015 (±0.038) | 0.0085 | 0.216 | ±0.0005 (±0.013) | 18: Pink |
19 | 0.042 | 1.067 | ±0.0005 (±0.013) | 0.027 | 0.686 | ±0.0015 (±0.038) | 0.0075 | 0.191 | ±0.0005 (±0.013) | 19: Brown |
20 | 0.03575 | 0.9081 | ±0.00025 (±0.0064) | 0.02375 | 0.603 | ±0.00075 (±0.019) | 0.006 | 0.1524 | ±0.00025 (±0.0064) | 20: Yellow |
21 | 0.03225 | 0.8192 | ±0.00025 (±0.0064) | 0.02025 | 0.514 | ±0.00075 (±0.019) | 0.006 | 0.1524 | ±0.00025 (±0.0064) | 21: Light Green |
Luer Tip, Metal, Short, with 0.50 mm ID | ||||||||||
22 | 0.02825 | 0.7176 | ±0.00025 (±0.0064) | 0.01625 | 0.413 | ±0.00075 (±0.019) | 0.006 | 0.1524 | ±0.00025 (±0.0064) | 22: Black |
Luer Tip, Metal, Short, with 0.40 mm ID | ||||||||||
22s | 0.02825 | 0.7176 | ±0.00025 (±0.0064) | 0.006 | 0.152 | ±0.00075 (±0.019) | 0.0111 | 0.2826 | ±0.00025 (±0.0064) | |
23 | 0.02525 | 0.6414 | ±0.00025 (±0.0064) | 0.01325 | 0.337 | ±0.00075 (±0.019) | 0.006 | 0.1524 | ±0.00025 (±0.0064) | 23: Light Blue |
24 | 0.02225 | 0.5652 | ±0.00025 (±0.0064) | 0.01225 | 0.311 | ±0.00075 (±0.019) | 0.005 | 0.1270 | ±0.00025 (±0.0064) | 24: Red |
25 | 0.02025 | 0.5144 | ±0.00025 (±0.0064) | 0.01025 | 0.260 | ±0.00075 (±0.019) | 0.005 | 0.1270 | ±0.00025 (±0.0064) | 25: Dark Blue |
26 | 0.01825 | 0.4636 | ±0.00025 (±0.0064) | 0.01025 | 0.260 | ±0.00075 (±0.019) | 0.004 | 0.1016 | ±0.00025 (±0.0064) | 26: Beige |
Luer Tip, Metal, Short, with 0.25 mm ID | ||||||||||
26s | 0.01865 | 0.4737 | ±0.00025 (±0.0064) | 0.005 | 0.127 | ±0.00075 (±0.019) | 0.0068 | 0.1734 | ±0.00025 (±0.0064) | |
27 | 0.01625 | 0.4128 | ±0.00025 (±0.0064) | 0.00825 | 0.210 | ±0.00075 (±0.019) | 0.004 | 0.1016 | ±0.00025 (±0.0064) | 27: Grey |
Luer Tip, Metal, Short, with 0.20 mm ID | ||||||||||
28 | 0.01425 | 0.3620 | ±0.00025 (±0.0064) | 0.00725 | 0.184 | ±0.00075 (±0.019) | 0.0035 | 0.0889 | ±0.00025 (±0.0064) | |
29 | 0.01325 | 0.3366 | ±0.00025 (±0.0064) | 0.00725 | 0.184 | ±0.00075 (±0.019) | 0.003 | 0.0762 | ±0.00025 (±0.0064) | |
30 | 0.01225 | 0.3112 | ±0.00025 (±0.0064) | 0.00625 | 0.159 | ±0.00075 (±0.019) | 0.003 | 0.0762 | ±0.00025 (±0.0064) | 30: Lavender |
Luer Tip, Metal, Short, with 0.18 mm ID | ||||||||||
31 | 0.01025 | 0.2604 | ±0.00025 (±0.0064) | 0.00525 | 0.133 | ±0.00075 (±0.019) | 0.0025 | 0.0635 | ±0.00025 (±0.0064) | |
Luer Tip, Metal, Short, with 0.15 mm ID | ||||||||||
32 | 0.00925 | 0.2350 | ±0.00025 (±0.0064) | 0.00425 | 0.108 | ±0.00075 (±0.019) | 0.0025 | 0.0635 | ±0.00025 (±0.0064) | |
33 | 0.00825 | 0.2096 | ±0.00025 (±0.0064) | 0.00425 | 0.108 | ±0.00075 (±0.019) | 0.002 | 0.0508 | ±0.00025 (±0.0064) | |
Luer Tip, Metal, Short, with 0.10 mm ID | ||||||||||
34 | 0.00725 | 0.1842 | ±0.00025 (±0.0064) | 0.00325 | 0.0826 | ±0.00075 (±0.019) | 0.002 | 0.0508 | ±0.00025 (±0.0064) |
Note: Gauges in BOLD (even sizes, 14-30) are in stock in metal.
Note: Color is for plastic luer tips, and may not be standard for all manufacturers.