To drill the Hot End Tip/ Nozzle, most common sizes are .5mm and .33mm, drill chart below.
These drill bits are used in "watch making" and can be found online for little money.
Do you know what kind of plastic to use?
Inches in Thousandths * Millimeters * AWG Gauge Sizes * Twist Drill Bit Sizes
|
Inch |
mm |
Ga. |
Drill # |
|
Inch |
mm |
Ga. |
Drill # |
|
Inch |
mm |
Ga. |
Drill # |
|
Inch |
mm |
Ga. |
Drill # |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
0.001 |
0.025 |
|
|
|
0.029 |
0.737 |
|
69 |
|
0.057 |
1.448 |
15 |
|
|
0.085 |
2.159 |
|
|
|
0.002 |
0.051 |
|
|
|
0.030 |
0.762 |
|
|
|
0.058 |
1.473 |
|
|
|
0.086 |
2.184 |
|
44 |
|
0.003 |
0.076 |
40 |
|
|
0.031 |
0.787 |
|
68 |
|
0.059 |
1.499 |
|
|
|
0.087 |
2.210 |
|
|
|
0.004 |
0.102 |
38 |
|
|
0.032 |
0.813 |
20 |
67 |
|
0.060 |
1.524 |
|
53 |
|
0.088 |
2.235 |
|
|
|
0.005 |
0.127 |
36 |
|
|
0.033 |
0.838 |
|
66 |
|
0.061 |
1.549 |
|
|
|
0.089 |
2.261 |
|
43 |
|
0.006 |
0.152 |
34 |
97 |
|
0.034 |
0.864 |
|
65 |
|
0.062 |
1.575 |
|
|
|
0.090 |
2.286 |
|
|
|
0.007 |
0.178 |
33 |
94 |
|
0.035 |
0.889 |
|
|
|
0.063 |
1.60 |
|
|
|
0.091 |
2.311 |
11 |
|
|
0.008 |
0.203 |
32 |
92 |
|
0.036 |
0.914 |
19 |
64 |
|
0.064 |
1.626 |
14 |
52 |
|
0.092 |
2.337 |
|
|
|
0.009 |
0.229 |
31 |
89 |
|
0.037 |
0.940 |
|
63 |
|
0.065 |
1.651 |
|
|
|
0.093 |
2.362 |
|
|
|
0.010 |
0.254 |
30 |
87 |
|
0.038 |
0.965 |
|
62 |
|
0.066 |
1.676 |
|
|
|
0.094 |
2.388 |
|
42 |
|
0.011 |
0.279 |
29 |
85 |
|
0.039 |
0.991 |
|
61 |
|
0.067 |
1.702 |
|
51 |
|
0.095 |
2.413 |
|
|
|
0.012 |
0.305 |
28 |
83 |
|
0.040 |
1.016 |
18 |
60 |
|
0.068 |
1.727 |
|
|
|
0.096 |
2.438 |
|
41 |
|
0.013 |
0.330 |
|
81 |
|
0.041 |
1.041 |
|
59 |
|
0.069 |
1.753 |
|
|
|
0.097 |
2.464 |
|
|
|
0.014 |
0.356 |
27 |
80 |
|
0.042 |
1.067 |
|
58 |
|
0.070 |
1.778 |
|
50 |
|
0.098 |
2.489 |
|
40 |
|
0.015 |
0.381 |
|
79 |
|
0.043 |
1.092 |
|
57 |
|
0.071 |
1.803 |
|
|
|
0.099 |
2.515 |
|
|
|
0.016 |
0.406 |
26 |
78 |
|
0.044 |
1.118 |
|
|
|
0.072 |
1.829 |
13 |
|
|
0.100 |
2.540 |
|
39 |
|
0.017 |
0.432 |
|
|
|
0.045 |
1.143 |
17 |
|
|
0.073 |
1.854 |
|
49 |
|
0.102 |
2.591 |
10 |
|
|
0.018 |
0.457 |
25 |
77 |
|
0.046 |
1.168 |
|
|
|
0.074 |
1.880 |
|
|
|
0.114 |
2.896 |
9 |
|
|
0.019 |
0.483 |
|
|
|
0.047 |
1.194 |
|
56 |
|
0.075 |
1.905 |
|
|
|
0.128 |
3.251 |
8 |
|
|
0.020 |
0.508 |
24 |
76 |
|
0.048 |
1.219 |
|
|
|
0.076 |
1.930 |
|
48 |
|
0.144 |
3.658 |
7 |
|
|
0.021 |
0.533 |
|
75 |
|
0.049 |
1.245 |
|
|
|
0.077 |
1.956 |
|
|
|
0.162 |
4.115 |
6 |
|
|
0.022 |
0.559 |
23 |
74 |
|
0.050 |
1.270 |
|
|
|
0.078 |
1.981 |
|
|
|
0.182 |
4.623 |
5 |
|
|
0.023 |
0.584 |
|
|
|
0.051 |
1.295 |
16 |
|
|
0.079 |
2.007 |
|
47 |
|
0.204 |
5.182 |
4 |
|
|
0.024 |
0.610 |
|
73 |
|
0.052 |
1.321 |
|
55 |
|
0.080 |
2.032 |
|
|
|
0.229 |
5.817 |
3 |
|
|
0.025 |
0.635 |
22 |
72 |
|
0.053 |
1.346 |
|
|
|
0.081 |
2.057 |
12 |
46 |
|
0.258 |
6.553 |
2 |
|
|
0.026 |
0.660 |
|
71 |
|
0.054 |
1.372 |
|
|
|
0.082 |
2.083 |
|
45 |
|
0.289 |
7.341 |
1 |
|
|
0.027 |
0.686 |
|
|
|
0.055 |
1.397 |
|
54 |
|
0.083 |
2.108 |
|
|
|
Aprox. |
1/4" |
0 |
|
|
0.028 |
0.711 |
21 |
70 |
|
0.056 |
1.422 |
|
|
|
0.084 |
2.134 |
|
|
|
|
|
|
|
http://reprap.org/wiki/Printing_materials