ASME B18.2.2 TABLE 1-1

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Dimensions in inches (1 inch=25.4 mm) sourceASME B18.2.2 table 1-1 Publication date: 2010
Nominal size or basic thread diameter		UNC (nr of threads x inch)	UNF (nr of threads x inch)	F basic	G min	G max	H min	H max	G1 min	G1 max
inch	mm	UNC (nr of threads x inch)	UNF (nr of threads x inch)	F basic	G min	G max	H min	H max	G1 min	G1 max
0 (0.060)	1.52	-	80	0.156	0.206	0.221	0.043	0.050	0.171	0.180
1 (0.073)
2 (0.086)
3 (0.099)
4 (0.112)
5 (0.125)
6 (0.138)
8 (0.164)
10 (0.190)
12 (0.216)
1/4 (0.250)
5/16 (0.312)
3/8 (0.375)

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH, Burggrafenstraße 6, 10787 Berlin, Germany.
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Standard ASME B18.2.2 TABLE 1-1