Dessins cotés et schémas techniques

1768_5ANOwR_b18.2.1-table-2.jpg

Dimensions et paramètres techniques clés

Dimensions in inches (1 inch=25.4 mm) sourceASME B18.2.1 - table 3 Heavy Hex Bolts

Publication date: 2010
d Thread size
UNC (nr of threads x inch) UNF (nr of threads x inch) UN (nr of threads x inch) H basic E min
LT (l< 6')
LT (l> 6')
G min
F basic
3/8
16 24 - 0.25 0.360
1
1.25
0.763
0.563
1/2
13 20 - 0.344 0.482
1.25
1.5
0.969
3/4
5/8
11 18 - 0.422 0.605
1.5
1.75
1.175
15/16
3/4
10 16 - 0.5 0.729
1.75
2
1.383
1.125
7/8
9 14 - 0.578 0.852
2
2.25
1.589
1.313
1
8 12 - 0.672 0.976
2.25
2.5
1.796
1.50
1-1/8 7 12 8 0.75 1.098 2.5 2.75 2.002 1.625
1-1/4 7 12 8 0.844 1.223 2.75 3 2.209 1.875
1-3/8 6 12 8 0.906 1.345 3 3.25 2.416 2
1-1/2 6 12 8 1 1.470 3.25 3.5 2.622 2.25
1-5/8 - - 6-8 1.094 1.591 3.5 3.75 2.829 2.438
1-3/4 5 - 6-8 1.156 1.716 3.75 4 3.035 2.625
1-7/8 - - 6-8 1.25 1.839 4 4.25 3.242 2.813
2 4.5 - 6-8 1.344 1.964 4.25 4.5 3.449 3
2-1/4 4.5 - 6-8 1.5 2.214 4.75 5 3.862 3.375
2-1/2 4 - 6-8 1.656 2.461 5.25 5.5 4.275 3.75
2-3/4 4 - 6-8 1.813 2.711 5.75 6 4.668 4.125
3 4 - 6-8 2 2.961 6.25 6.5 5.102 4.5