Needle Resources

Frequently Asked Questions

 

Q: What syringes will my neeldes fit?

A: All needles will fit all luer slip and luer lock syringes.  They will not fit catheter, oral, or irrigation tip syringes.

 

Q: Are the needles on an insulin syringe detachable?

A: No, insulin syringes come with a fixed needle that cannot be interchanged.

 

 

Gauge sizes to millimeters

Needle Nominal Outer Diameter Nominal Inner Diameter Nominal Wall Thickness
Gauge inches mm tol. inches (mm) inches mm tol. inches (mm) inches mm tol. inches (mm)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)
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)

 

Company

Products

Helpful Info

Newsletter