4.5 Standard tightening torques for bolts and nuts Torque list Maintenance Apply the following table for Hydraulic Hose. Nominal - No. of threads (a) lbft 9/16 -18UNF 25.3 - 47.0 13/16 -16UN 61.5 - 97.6 11/16 -16UN 39.8 - 68.7 1 -14UNS 94.0 - 137.4 13/16 -12UN 130.2 - 180.8 GK032237 4-18 WA150-5H – VEAM934100 Width across flats (b) (mm) Target value N·m kgf·m lbft N·m kgf·m 19 44 4.5 32.5 35 - 63 3.5 - 6.5 22 74 7.5 54.2 54 - 93 5.5 - 9.5 27 103 10.5 75.9 84 - 132 8.5 - 13.5 32 157 16.0 115.7 128 - 186 13.0 - 19.0 36 216 22.0 159.1 177 - 245 18.0 - 25.0