Greg Mote
Hub Summary Folio Stuff Mechanical Reference
size conversion thread [ us number us fraction iso ]
screwtapclearance
#pitchseriesØdrill"mmclose fitfree fit
1/1664-0.06253/640.04691.1913520.0635510.0670
72-3/640.04691.1913
5/6460-0.07811/160.06251.5875460.0810450.0820
72-520.06351.6129
3/3248-0.0938490.07301.8542410.0960400.0980
50-490.07301.8542
7/6448-0.1094430.08902.2606340.1110320.1160
1/832-0.12503/320.09382.3825300.1285290.1360
40-380.10152.5781
9/6440-0.1406320.11602.9464270.1440260.1470
5/3232-0.15631/80.12503.1750200.1610190.1660
36-300.12853.2639
11/6432-0.17199/640.14063.5712160.1770150.1800
3/1624-0.1875260.14703.7338110.191090.1960
32-220.15703.9878
13/6424-0.2031200.16104.089440.209030.2130
7/3224-0.2188160.17704.495820.221010.2280
32-120.18904.8006
15/6424-0.2344100.19354.9149C0.2420D0.2460
1/420NC0.250070.20105.1054G0.2570H0.2660
24-40.20905.3086
27-30.21305.4102
28NF30.21305.4102
32NEF7/320.21885.5575
5/1618NC0.3125F0.25706.5278P0.3230Q0.3320
20-17/640.26566.7462
24NFI0.27206.9088
27-J0.27707.0358
32NEF9/320.28127.1425
3/816NC0.37505/160.31257.9375W0.3860X0.3970
20-21/640.32818.3337
24NFQ0.33208.4328
27-R0.33908.6106
32NEF11/320.34388.7325
7/1614NC0.4375U0.36809.347229/640.453115/320.4687
20NF25/640.39069.9212
24-X0.397010.0838
27-Y0.404010.2616
28NEF15/320.468811.9075
1/212-0.500027/640.421910.716333/640.515617/320.5312
13NC27/640.421910.7163
20NF29/640.453111.5087
24-29/640.453111.5087
27-15/320.468811.9075
28NEF15/320.468811.9075
9/1612NC0.562531/640.484412.303837/640.578119/320.5938
18NF33/640.515613.0962
24NEF33/640.515613.0962
27-17/320.531313.4950
5/811NC0.625017/320.531313.495041/640.640621/320.6562
12-35/640.546913.8913
18NF37/640.578114.6837
24NEF37/640.578114.6837
27-19/320.593715.0800
11/1611-0.687519/320.593715.080045/640.703123/320.6562
16-5/80.625015.8750
24NEF41/640.640616.4084
3/410NC0.750021/320.656216.667549/640.765625/320.7812
12-43/640.671917.0663
16NF11/160.687517.4625
20NEF45/640.703117.8587
27-23/320.718718.2550
13/1610-0.812523/320.718718.255053/640.828127/320.8438
20NEF49/640.765619.4462
7/89NC0.875049/640.765619.446257/640.890629/320.9062
12-51/640.796920.2413
14NF13/160.812520.6375
18-53/640.828121.0337
20NEF53/640.828121.0337
27-27/320.843721.4300
15/169-0.937553/640.828121.033761/640.953131/320.9688
20NEF57/640.890622.6212
18NC1.00007/80.875022.22501-1/641.01561-1/321.0313
12NF59/640.921923.4163
14-15/160.937523.8125
20NEF61/640.953124.2087
27-31/320.968724.6050
32?31/320.968724.6050
1-1/1618NEF1.062511.000025.40001-5/641.07811-3/321.0938
1-1/87NC1.125063/640.984425.00381-9/641.14061-5/321.1562
12NF1-3/641.046926.5913
18NEF1-1/161.062526.9875
1-3/1618NEF1.18751-1/81.125028.57501-13/641.20311-7/321.2188
1-1/47NC1.25001-7/641.109428.17881-17/641.26561-9/321.2812
12NF1-11/641.171929.7663
18NEF1-3/161.187530.1625
1-5/1618NEF1.31251-1/41.250031.75001-21/641.32811-11/321.3438
1-3/86NC1.37501-7/321.218830.95751-25/641.39061-13/321.4062
12NF1-19/641.296932.9413
18NEF1-5/161.312533.3375
1-7/1618NEF1.36931-3/81.375034.92501-29/641.45311-15/321.4688
1-1/26NC1.50001-11/321.343834.13251-33/641.51561-17/321.5312
12NF1-27/641.421936.1163
18NEF1-7/161.437536.5125
1-9/1618NEF1.56251-1/21.500038.10001-37/641.57811-19/321.5938
1-5/85 1/2-1.62501-29/641.453136.90871-41/641.64061-21/321.6562
18NEF1-9/161.562539.6875
1-11/1618NEF1.68751-5/81.625041.27501-45/641.70311-23/321.7188
1-3/45NC1.75001-9/161.562539.68751-49/641.76591-25/321.7812
1-7/85-1.87501-11/161.687542.8625????
24 1/2NC2.00001-25/321.781345.2450????