B/Standard Bolt Torque Specifications — Specified Torque for Standard Bolts, page 3

STANDARD BOLT TORQUE SPECIFICATIONS

SPECIFIED TORQUE FOR STANDARD BOLTS

Class | Diameter mm | Pitch mm | Specified torque
                                | Hexagon head bolt        | Hexagon flange bolt
                                | kg-cm | ft-lb | N-m    | kg-cm | ft-lb | N-m

4T    | 6  | 1    | 55    | 48 in.-lb | 5   | 60    | 52 in.-lb | 6
      | 8  | 1.25 | 130   | 9         | 12.5| 145   | 10        | 14
      | 10 | 1.25 | 260   | 19        | 26  | 290   | 21        | 29
      | 12 | 1.25 | 480   | 35        | 47  | 540   | 39        | 53
      | 14 | 1.5  | 760   | 55        | 74  | 850   | 61        | 84
      | 16 | 1.5  | 1,150 | 83        | 115 | —     | —         | —

5T    | 6  | 1    | 65    | 56 in.-lb | 6.5 | 75    | 65 in.-lb | 7.5
      | 8  | 1.25 | 160   | 12        | 15.5| 175   | 13        | 17.5
      | 10 | 1.25 | 330   | 24        | 32  | 360   | 26        | 36
      | 12 | 1.25 | 600   | 43        | 59  | 670   | 48        | 65
      | 14 | 1.5  | 930   | 67        | 91  | 1,050 | 76        | 100
      | 16 | 1.5  | 1,400 | 101       | 140 | —     | —         | —

6T    | 6  | 1    | 80    | 69 in.-lb | 8   | 90    | 78 in.-lb | 9
      | 8  | 1.25 | 195   | 14        | 19  | 210   | 15        | 21
      | 10 | 1.25 | 400   | 29        | 39  | 440   | 32        | 44
      | 12 | 1.25 | 730   | 53        | 71  | 810   | 59        | 80
      | 14 | 1.5  | 1,100 | 80        | 110 | 1,250 | 90        | 125
      | 16 | 1.5  | 1,750 | 127       | 170 | —     | —         | —

7T    | 6  | 1    | 110   | 8         | 10.5| 120   | 9         | 12
      | 8  | 1.25 | 260   | 19        | 25  | 280   | 21        | 28
      | 10 | 1.25 | 530   | 38        | 52  | 590   | 43        | 58
      | 12 | 1.25 | 970   | 70        | 95  | 1,050 | 76        | 105
      | 14 | 1.5  | 1,500 | 108       | 145 | 1,700 | 123       | 165
      | 16 | 1.5  | 2,300 | 166       | 230 | —     | —         | —

8T    | 8  | 1.25 | 300   | 22        | 29  | 330   | 24        | 33
      | 10 | 1.25 | 620   | 45        | 61  | 690   | 50        | 68
      | 12 | 1.25 | 1,100 | 80        | 110 | 1,250 | 90        | 120

9T    | 8  | 1.25 | 340   | 25        | 34  | 380   | 27        | 37
      | 10 | 1.25 | 710   | 51        | 70  | 790   | 57        | 78
      | 12 | 1.25 | 1,300 | 94        | 125 | 1,450 | 105       | 140

10T   | 8  | 1.25 | 390   | 28        | 38  | 430   | 31        | 42
      | 10 | 1.25 | 800   | 58        | 78  | 890   | 64        | 88
      | 12 | 1.25 | 1,450 | 105       | 140 | 1,600 | 116       | 155

11T   | 8  | 1.25 | 430   | 31        | 42  | 480   | 35        | 47
      | 10 | 1.25 | 890   | 64        | 87  | 990   | 72        | 97
      | 12 | 1.25 | 1,600 | 116       | 155 | 1,800 | 130       | 175