en 96
13 TORQUES
13.1 TORQUES __________________________________________________________
FINE PITCH METRIC THREADS COARSE PITCH METRIC THREADS
Dia
(mm)
Grade
4.6
Grade
4.8
Grade
8.8
Grade
10.9
Grade
12.9
Dia
(mm)
Grade
4.6
Grade
4.8
Grade
8.8
Grade
10.9
Grade
12.9
(Nm) (Nm) (Nm) (Nm) (Nm) (Nm) (Nm) (Nm) (Nm) (Nm)
6 0 0 0 0 0 6 5 6 12 17 21
8 12 16 32 45 54 8 11 15 30 42 51
10 24 31 63 88 106 10 22 30 59 84 100
12 42 57 113 159 191 12 39 52 104 146 175
14 67 90 179 252 302 14 62 82 165 232 278
16 103 137 274 385 462 16 96 129 257 362 434
20 209 279 557 783 940 20 188 251 502 706 847
22 281 375 750 1055 1266 22 256 341 683 960 1152
24 354 472 944 1327 1593 24 325 434 868 1220 1464
27 514 686 1371 1928 2314 27 476 635 1269 1785 2142
30 715 954 1908 2683 3219 30 646 862 1723 2424 2908
33 964 1286 2572 3616 4340 33 822 1097 2193 3084 3701
36 1196 1594 3189 4484 5381 36 1129 1506 3012 4235 5082
UNF THREADS UNC THREADS
Dia
(in)
Grade
A
Grade
S
Grade
T
Grade
V
Grade
X
Dia
(in)
Grade
A
Grade
S
Grade
T
Grade
V
Grade
X
(lbf. ft) (lbf. ft) (lbf. ft) (lbf. ft) (lbf. ft) (lbf. ft) (lbf. ft) (lbf. ft) (lbf. ft) (lbf. ft)
1/4 3.8 10.4 11.3 14.3 17.3 1/4 3.4 9.2 9.9 12.6 15.2
5/16 7.7 20.8 22.5 28.5 34.5 5/16 7 18.9 20.4 25.8 31.3
3/8 13.9 37.7 40.7 51.6 62.5 3/8 12.3 33.5 36.1 45.8 55.5
7/16 21.9 59.5 64.2 81.4 98.6 7/16 19.7 53.5 57.8 73.2 88.7
1/2 33.7 91.5 98.7 125 152 1/2 30.1 81.6 88 112 135
9/16 48.2 131 141 179 217 9/16 43.3 117 127 161 195
5/8 67.4 183 197 250 303 5/8 59.8 162 175 222 269
3/4 118 319 344 437 529 3/4 106 288 310 394 477
7/8 188 509 550 697 645 7/8 171 464 500 635 769
1 279 757 817 1036 1255 1 256 695 749 950 1152
1 1/8 405 1099 1186 1504 1823 1 1/8 363 984 1062 1347 1632
1 1/4 563 1529 1650 2093 2535 1 1/4 511 1387 1497 1899 2300
1 3/8 759 2061 2224 2821 3418 1 3/8 670 1820 1963 2490 3017
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