La norma copre tutti i requisiti per i dadi autobloccanti in acciaio al carbonio, misure in pollici, inserto in nylon e nei gradi NE2, NE5 e NE8.

Disegni dimensionali e diagrammi tecnici

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Dimensioni chiave e parametri tecnici

Dimensions in inches (1 inch=25.4 mm) sourceASME B18.16.6 2008 table 1 Nylon insert locknuts. inch series

d Thread size

UNC (nr of threads x inch)

UNF (nr of threads x inch)

B max C min D min E min
inch mm
1/4
6.35 20 28 0.44 0.488 0.298 0.225
5/16
7.94 18 24 0.5 0.557 0.329 0.25
3/8
9.53 16 24 0.56 0.628 0.438 0.335
7/16
11.11 14 20 0.627 0.698 0.438 0.324
1/2
12.70 13 20 0.75 0.84 0.579 0.464
9/16
14.29 12 18 0.877 0.98 0.626 0.469
5/8
15.88 11 18 0.94 1.05 0.735 0.593
3/4
19.05 10 16 1.06 1.19 0.86 0.742
7/8
22.23 9 14 1.25 1.40 0.969 0.79
1
25.40 8 12 1.44 1.619 1.016 0.825
1-1/8 28.58 7 12 1.627 1.83 1.141 0.93
1-1/4 31.75 7 12 1.815 2.046 1.36 1.125
1-3/8 34.93 6 12 2 2.259 1.547 1.282
1-1/2 38.10 6 12 2.197 2.47 1.578 1.313