USE AND MAINTENANCE
ENGLISH
Cod. F07022163
pag.73
11.4_TORQUE SETTINGS (THICK PITCH)
Bolt Ø
Class 4.8
Class 8.8 or 9.8
Class 10.9
Class 12.9
Screw
Lubricated
a
Dry
b
Lubricated
a
Dry
b
Lubricated
a
Dry
b
Lubricated
a
Dry
b
Dimensions Nm
lb-in
Nm
lb-in
Nm
lb-in
Nm
lb-in
Nm
lb-in
Nm
lb-in
Nm
lb-in
Nm
lb-in
M6 4.7
42
6 53 8.9 79 11.3 100 13 115 16.5 146 15.5 137 19.5 172
Nm
lb-in
Nm
lb-in
Nm
lb-in
Nm
lb-in
M8
11.5 102 14.5 128 22 194 27.5 243 32 23.5 40 29.5 37 27.5 47 35
Nm
lb-in
Nm
lb-in
Nm
lb-in
M10 23 204 29 21 43 32 55 40 63 46 80 59 75 55 95 70
Nm
lb-in
M12 40 29.5 50 37 75 55 95 70 110 80 140 105 130 95 165 120
M14
63 46 80 59 120 88 150 110 175 130 220 165 205 150 260 190
M16
100 74 125 92 190 140 240 175 275 200 350 255 320 235 400 300
M18
135 100 170 125 265 195 330 245 375 275 475 350 440 325 560 410
M20
190 140 245 180 375 275 475 350 530 390 675 500 625 460 790 580
M22
265 195 330 245 510 375 650 480 725 535 920 680 850 625 1080 800
M24
330 245 425 315 650 480 820 600 920 680 1150 850 1080 800 1350 1000
M27
490 360 625 460 950 700 1200 885 1350 1000 1700 1250 1580 1160 2000 1475
M30
660 490 850 625 1290 950 1630 1200 1850 1350 2300 1700 2140 1580 2700 2000
M33
900 665 1150 850 1750 1300 2200 1625 2500 1850 3150 2325 2900 2150 3700 2730
M36
1150 850 1450 1075 2250 1650 2850 2100 3200 2350 4050 3000 3750 2770 4750 3500
The values given above are only for general use and are based on screw or bolt strength. DO NOT use these values if a different torque
value or tightening procedure it’s prescribed for a specific application. For the stainless steel screws or nuts on the U-brackets, see
tightening instructions for the specific application. Tighten plastic insert or steel lock nuts tightening the nut to the dry torque shown in the
table, unless it has been given different instructions for the specific application.
The safety plugs are designed to fail under predetermined loads. Always replace with security screws with the same property class.
Replace screws with another of equal or greater class. If you use an upper class screw, it must be tightened to the original screws torque.
Make sure that bolts threads are clean and bolts are perfectly spoon fed. If possible, grease bolts naked or galvanized (with the exception
of locking nuts, bolts or wheel nuts), unless it has been given different instructions for the specific application
a
"Lubricated" means, coated with a lubricant such as engine oil, fixing devices as phosphate coating or oil, or fasteners M20 or greater.
b
"Dry" means zinc plated without any lubrication.
11.5_TYRE PRESSURE VALUES
TYRE bar
400/60-15.5
3,5
11.5/80-15.3
3,5
