Greg Mote
Hub Summary Folio Stuff Mechanical Reference
size conversion thread [ us number us fraction iso ]
screwtapclearance
#pitchseriesØdrill"mmclose fitfree fit
000120-0.0340710.02600.6604650.0350620.0380
0090-0.0470650.03500.88903/640.0469550.0520
080NF0.06003/640.04691.1913520.0635500.0700
156-0.0730540.05501.3970480.0760460.0810
64NC530.05951.5113
72NF530.05951.5113
256NC0.0860500.07001.7780430.0890410.0960
64NF500.07001.7780
348NC0.0990470.07851.9939370.1040350.1100
56NF450.08202.0828
436-0.1120440.08602.1844320.1160300.1285
40NC430.08902.2606
48NF420.09352.3749
540NC0.1250380.10152.5781300.1285290.1360
44NF370.10402.6416
632NC0.1380360.10652.7051270.1440250.1495
36-340.11102.8194
40NF330.11302.8702
832NC0.1640290.13603.4544180.1695160.1770
36NF290.13603.4544
40-280.14053.5687
1024NC0.1900250.14953.797390.196070.2010
30-220.15703.9878
32NF210.15904.0386
1224NC0.2160160.17704.495820.221010.2280
28NF140.18204.6228
32NEF130.18504.6990
1420-0.2420100.19354.9149D0.2460F0.2570
24-70.20105.1054