McHale 995 L+T Square Bale Wrapper
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13.2 Tightening torque values
It is important that the correct torques for fasteners are adhered to. Below are tables of
recommended torques for these. These are to be used unless torques are otherwise
specified. These values are for general use only. Check tightness of all fasteners
periodically. (All torques are in Newton Metres - Nm.)
Nuts and bolts Black, Phosphated or Galvanized
Grade marking 8.8 10.9 12.9
Dimensions Metric standard thread
Hex. bolts
M4 2.7 3.8 4.6
Din 931
M5 5.5 8 9.5
Din 933
M6 10 14 16
M8 23 33 40
Socket head
M10 45 63 75
Cap screws
M12 78 110 130
Din 912
M14 122 175 210
M16 195 270 325
Hex. nuts
M18 260 370 440
Din 934
M20 370 525 630
M22 510 720 870
M24 640 900 1080
M27 980 1400 1650
M30 1260 1800 2160
Dimensions Metric fine thread
Hex. bolts
M8 x 1 25 35 42
Din 960
M10 x 1.25 48 67 80
Din 961
M12 x 1.25 88 125 150
M12 x 1.5 82 113 140
Hex. nuts
M14 x 1.5 135 190 225
Din 934
M16 x 1.5 210 290 345
M18 x 1.5 300 415 505
M20 x 1.5 415 585 700
M22 x 1.5 560 785 945
M24 x 2 720 1000 1200
M27 x 2 1050 1500 1800
M30 x 2 1450 2050 2500
NOTE:
For cadmium or copper plated bolts and nuts a torque value must
be used that is lower than the value stated above