Greg MoteGreg Mote
Hub Summary Folio Stuff Mechanical Reference
size conversion thread [ us number us fraction iso ]
""#mm
 0.0098 0.25
 0.0118 0.30
 0.013580 
 0.0138 0.35
 0.014579 
1/640.0156  
 0.0157 0.40
 0.016078 
 0.0177 0.45
 0.018077 
 0.0197 0.50
 0.020076 
 0.021075 
 0.0217 0.55
 0.022574 
 0.0236 0.60
 0.024073 
 0.025072 
 0.0256 0.65
 0.026071 
 0.0276 0.70
 0.028070 
 0.029269 
 0.0295 0.75
 0.031068 
1/320.0313  
 0.0315 0.80
 0.032067 
 0.033066 
 0.0335 0.85
 0.035065 
 0.0354 0.90
 0.036064 
 0.037063 
 0.0374 0.95
 0.038062 
 0.039061 
 0.0394 1.00
 0.040060 
 0.041059 
 0.042058 
 0.043057 
 0.0433 1.10
 0.046556 
3/640.0469  
 0.0472 1.20
 0.0512 1.30
 0.052055 
 0.055054 
 0.0551 1.40
 0.0591 1.50
 0.059553 
1/160.0625  
 0.0630 1.60
 0.063552 
 0.0669 1.70
 0.067051 
 0.070050 
 0.0709 1.80
 0.073049 
 0.0748 1.90
 0.076048 
5/640.0781  
 0.078547 
 0.0787 2.00
 0.081046 
 0.082045 
 0.0827 2.10
 0.086044 
 0.0866 2.20
 0.089043 
 0.0906 2.30
 0.093542 
3/320.0938  
 0.0945 2.40
 0.096041 
 0.098040 
 0.0984 2.50
 0.099539 
 0.101538 
 0.1024 2.60
 0.104037 
 0.1063 2.70
 0.106536 
7/640.1094  
 0.110035 
 0.1102 2.80
 0.111034 
 0.113033 
 0.1142 2.90
 0.116032 
 0.1181 3.00
 0.120031 
1/80.1250  
 0.128530 
 0.136029 
 0.1378 3.50
 0.140528 
9/640.1406  
 0.144027 
 0.147026 
 0.149525 
 0.152024 
 0.154023 
5/320.1563  
 0.157022 
 0.1575 4.00
 0.159021 
 0.161020 
 0.166019 
 0.169518 
11/640.1719  
 0.173017 
 0.177016 
 0.1772 4.50
 0.180015 
 0.182014 
 0.185013 
3/160.1875  
 0.189012 
 0.191011 
 0.193510 
 0.19609 
 0.1968 5.00
 0.19908 
 0.20107 
13/640.2031  
 0.20406 
 0.20555 
 0.20904 
 0.21303 
 0.2165 5.50
7/320.2188  
 0.22102 
 0.22801 
 0.2340A 
15/640.2344  
 0.2362 6.00
 0.2380B 
 0.2420C 
 0.2460D 
1/40.2500E6.35
 0.2559 6.50
 0.2570F 
 0.2610G 
17/640.2656  
 0.2660H 
 0.2720I 
 0.2756 7.00
 0.2770J 
 0.2810K 
9/320.2813  
 0.2900L 
 0.2950M 
 0.2953 7.50
19/640.2969  
 0.3020N 
5/160.3125  
 0.3150 8.00
 0.3160O 
 0.3230P 
21/640.3281  
 0.3320Q 
11/320.3438  
 0.3346 8.50
 0.3390R 
11/320.3438  
 0.3480S 
 0.3543 9.00
 0.3580T 
23/640.3594  
 0.3680U 
 0.3740 9.50
3/80.3750  
 0.3770V 
 0.3860W 
25/640.3906  
 0.3937 10.00
 0.3970X 
 0.4040Y 
13/320.4063  
 0.4130Z 
 0.4134 10.50
27/640.4219  
 0.4331 11.00
7/160.4375  
 0.4528 11.50
29/640.4531  
15/320.4688  
 0.4724 12.00
31/640.4844  
 0.4921 12.50
1/20.500 12.70
 0.5118 13.00
33/640.5156  
17/320.5313  
 0.5315 13.50
35/640.5469  
 0.5512 14.00
9/160.5625  
 0.5709 14.50
37/640.5781  
 0.5905 15.00
19/320.5938  
39/640.6094  
 0.6102 15.50
5/80.6250  
 0.6299 16.00
41/640.6406  
 0.6496 16.50
21/320.6563  
 0.6693 17.00
43/640.6719  
11/160.6875  
 0.6890 17.50
45/640.7031  
 0.7087 18.00
23/320.7188  
 0.7283 18.50
47/640.7344  
 0.7480 19.00
3/40.7500 19.05
49/640.7656  
 0.7677 19.50
25/320.7813  
 0.7874 20.00
51/640.7969  
 0.8071 20.50
13/160.8125  
 0.8268 21.00
53/640.8281  
27/320.8438  
 0.8465 21.50
55/640.8594  
 0.8661 22.00
7/80.8750  
 0.8858 22.50
57/640.8906  
 0.9055 23.00
29/320.9063  
59/640.9219  
 0.9252 23.50
15/160.9375  
 0.9449 24.00
61/640.9531  
 0.9646 24.50
31/320.9688  
 0.9842 25.00
63/640.9844  
11.0000 25.40