STANDARD TIGHTENING TORQUE STANDARD TIGHTENING TORQUE The following charts give the standard tightening torques of bolts and nuts. Exceptions are given in section of « Disassembly and Assembly ». 1. STANDARD TIGHTENING TORQUE OF BOLTS AND NUT This torque table does not apply to bolts or nuts which have to fasten nylon or other parts non-ferrous metal washer. Nm (newton meter):
1 Nm = 0.102 kgm 00-8 SK818-5 SK820-5 turbo Thread diameter of bolts (mm) Pitch of bolts (mm) Width across flat (mm) kgm Nm kgm Nm 6 8 10 12 14 1 1.25 1.5 1.75 2 10 13 17 19 22 8 6 8 10 12 0.96±0.1 2.3±0.2 4.6±0.5 7.8±0.8 12.5±1 9.5±1 23±2 45±4.9 77±8 122±13 1.3±0.15 3.2±0.3 6.5±0.6 11±1 17.5±2 13.5±1.5 32.2±3.5 63±6.5 108±11 172±18 16 18 20 22 24 2 2.5 2.5 2.5 3 24 27 30 32 36 14 14 17 17 19 19.5±2 27±3 38±4 52±6 66±7 191±21 262±28 372±40 511±57 644±70 27±3 37±4 53±6 73±8 92±10 268±29 366±36 524±57 719±80 905±98 27 30 33 36 39 3 3.5 3.5 4 4 41 46 50 55 60 19 22 24 27 ---- 96±10 131±14 177±20 230±25 295±33 945±100 1287±140 1740±200 2250±250 2900±330 135±15 184±20 250±27 320±35 410±45 1329±140 1810±190 2455±270 3150±350 4050±450