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_IHoPgc_ASME-B18.16.4-Tabella-2.jpg

Dimensions in inches (1 inch=25.4 mm) sourceASME B18.16.4 Table 2

Pubblication Date:2008

d Thread size

UNC (nr of threads x inch)

UNF (nr of threads x inch)

F basic
G min
B min H basic K min J min
inches mm
1/4
6.35 20 28 0.438 0.488 0.7 0.297 0.04 0.15
5/16
3/8
7/16
1/2
9/16
5/8