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DX,TORQ2 –19–24APR03–1/1
Metric Bolt and Screw Torque Values
4.84.8 8.8 9.8 10.9
12.9
12.9
12.9
12.9
10.9
9.8
8.8
4.8
TS1670 –UN–01MAY03
Bolt or 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
Size N•m lb-in N•m lb-in N•m lb-in N•m lb-in N•m lb-in N•m lb-in N•m lb-in N•m 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
N•m lb-ft N•m lb-ft N•m lb-ft N•m lb-ft
M8 11.5 102 14.5 128 22 194 27.5 243 32 23.5 40 29.5 37 27.5 47 35
N•m lb-ft N•m lb-ft N•m lb-ft
M10 23 204 29 21 43 32 55 40 63 46 80 59 75 55 95 70
N•m lb-ft
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
Torque values listed are for general use only, based on the strength Shear bolts are designed to fail under predetermined loads. Always
of the bolt or screw. DO NOT use these values if a different torque replace shear bolts with identical property class. Replace fasteners
value or tightening procedure is given for a specific application. For with the same or higher property class. If higher property class
stainless steel fasteners or for nuts on U-bolts, see the tightening fasteners are used, tighten these to the strength of the original. Make
instructions for the specific application. Tighten plastic insert or sure fastener threads are clean and that you properly start thread
crimped steel type lock nuts by turning the nut to the dry torque engagement. When possible, lubricate plain or zinc plated fasteners
shown in the chart, unless different instructions are given for the other than lock nuts, wheel bolts or wheel nuts, unless different
specific application. instructions are given for the specific application.
a
“Lubricated” means coated with a lubricant such as engine oil, fasteners with phosphate and oil coatings, or M20 and larger fasteners with
JDM F13C zinc flake coating.
b
“Dry” means plain or zinc plated without any lubrication, or M6 to M18 fasteners with JDM F13B zinc flake coating.
60-16
110306
PN=151