Page 664 - 蓝带金统立KINGTONY2025年样本

Torque Data

Bolts and nuts classes
1
2
3 1 "
4
5
A
6 F L N
307A 5 8 9
G9
threads Torque Torque Torque Torque
inch per inch ft‧lb ft‧lb ft‧lb ft‧lb
Coarse Thread Series
1/4 20 32 in‧lb 76 in‧lb 107 in‧lb 126 in‧lb
5/16 18 66 in‧lb 157 in‧lb 221 in‧lb 259 in‧lb
3/8 16 10 23 33 38
7/16 14 16 37 52 61
1/2 13 24 57 80 94
9/16 12 35 82 115 135
5/8 11 48 113 159 186
3/4 10 85 200 282 331
7/8 9 136 322 455 533
1 8 204 483 681 799
1-1/4 7 409 840 1363 1597
1-1/2 6 711 1462 2371 2779
Fine Thread Series
1/4 28 37 in‧lb 87 in‧lb 123 in‧lb 144 in‧lb
5/16 24 73 in‧lb 174 in‧lb 245 in‧lb 287 in‧lb
3/8 24 11 26 37 43
7/16 20 18 41 58 68
1/2 20 27 64 90 105
9/16 18 39 91 128 151
5/8 18 54 127 180 211
3/4 16 94 223 315 369
7/8 14 150 355 502 588
1 14 229 542 765 896
1-1/4 12 453 930 1509 1768
1-1/2 12 800 1645 2668 3127

* note : Torque-Tension relationship for ASTM A307 Grade A(SAE J2), SAE J429
Grade 5, SAE J429 Grade 8 & FNL Grade 9 Bolts
* note : Torque values for 1/4" and 5/16" are in in‧lb. All other torque values
are in ft‧lb

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