Dadi quadri chiave larga

Disegni dimensionali e diagrammi tecnici

1926_YBPpTO_b18.2.2-table8.jpg

Dimensioni chiave e parametri tecnici

Dimensions in inches (1 inch=25.4 mm) sourceASME B18.2.2 table 8 square heavy nuts

Publication date : 2010

d Thread size

UNC (nr of threads x inch)

UNF (nr of threads x inch)

F basic G min G max H basic H min H max
inch mm
1/4
6.35 20 28 0.500 0.640 0.707 1/4 0.218 0.266
5/16
7.94 18 24 0.562 0.720 0.795 5/16 0.280 0.330
3/8
9.53 16 24 0.688 0.889 0.973 3/8 0.341 0.393
7/16
11.11 14 20 0.75 0.970 1.060 7/16 0.403 0.456
1/2
12.70 13 20 0.875 1.137 1.237 1/2 0.464 0.520
5/8
15.88 11 18 1.062 1.386 1.503 5/8 0.587 0.647
3/4
19.05 10 16 1.250 1.635 1.768 3/4 0.710 0.774
7/8
22.23 9 14 1.438 1.884 2.033 7/8 0.883 0.901
1
25.40 8 12 1.625 2.132 2.298 1 0.956 1.028
1-1/8 28.58 7 12 1.812 2.381 2.563 1-1/8 1.079 1.155
1-1/4 31.75 7 12 2.000 2.631 2.828 1-1/4 1.187 1.282
1-3/8 34.93 6 12 2.188 2.879 3.094 1-3/8 1.310 1.409
1-1/2 38.10 6 12 2.375 3.128 3.359 1-1/2 1.433 1.536