2#480.0760#480.0760#480.0760#480.0760#490.0730…… 1.90MM 0.0750…3#460.0810#460.0810#460.0860#440.0890#460.0810…… 2.20MM 0.0870…4#440.0860#440.0860#410.0960#410.0980#410.0960……#400.0970…5#360.1065#360.1065#350.1100#350.1100#370.1010……#350.1100…6#320.1160#320.1160#310.12001/80.1250#310.1200……#310.1200…7#300.1285#300.1285…………………………
…
8#290.1360#290.1360#270.1440#260.1470#260.1470……#260.1470…10#210.1590#210.1990#190.166011/640.1719#170.1730#160.1770#190.16600.1719123/160.18753/160.1875#110.1910#100.1935#80.1990……#110.1910…14 5.5mm 0.2165…………………………………1/4…… 5.5mm 0.21657/320.218810.228010.2280A 0.2340O 0.2190…16B 0.2380…………………………………18G 0.2610…………………………………5/16……l 0.2720l 0.2770L 0.2900L 0.2900M 0.2950
J
0.2770
…20L 0.2900…………………………………2411/320.3438…………………………………3/8……21/640.3281R 0.339011/320.3438T 0.3580T 0.3580R 0.3390…7/16……13/320.4062……………………10.0MM 0.3940…1/2
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15/32
0.4688
…
…
…
…
…
…
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Drill Size Fine Thread
Fine Thread
Coarse Thread
Hole Diam.
Hole Diam.Drill Size Drill Size Hole Diam.Drill Size Drill Size Drill Size
Hole Diam.Types AB 、B and BP
Type A
ASME B 18.6.3-2013 Table 48 Standard Test
Hole Sizes for Drive-Test Inspection Of Tapping Screws
Nominal Screw Size
Hole Slze
Type C
Type TRS
Coarse Thread
Fine Thread
Coarse Thread
Ttoes D 、F 、G and T
Hole Diam.Drill Size Hole Diam.Drill Size Hole Diam.
Fine Thread
Hole
Diam.
…
…
…
…
…
…
…
0.1720
…
…
…
…
…
…
…
…
…
…
0.4560