5 -2
(1) Tightening Torque for normal assembly
Strength class marks
4T 8T 10.9T
8
4
Check if the bolts or nuts of each part are loosened. If necessary, tighten it again as referring to the
following table. For additional hardware, contact your authorized local dealer.
Spec.
Tool
(mm)
Strength
Hardware tightening torque, Unit : N.m(lbf-ft)
Re-use Permanent Maximum
M8 X 1.25 12 8.8
20(15) 24(18) 26(19)
10.9
28(21) 34(25) 39(28)
12.9
33(25) 40(29) 45(33)
M10 X 1.25 17 8.8
43(31) 51(38) 56(42)
10.9
61(45) 73(54) 83(61)
12.9
71(53) 86(63) 97(71)
M12 X 1.25 19 8.8
75(56) 90(67) 100(74)
10.9
108(80) 129(95) 147(108)
12.9
126(93) 151(112) 171(126)
M12 X 1.75 19 8.8
68(50) 82(60) 90(67)
10.9
98(72) 117(86) 133(98)
12.9
114(84) 137(101) 155(114)
M14 X 1.5 24 8.8
119(87) 142(105) 157(116)
10.9
170(125) 204(150) 231(170)
12.9
198(146) 238(176) 270(199)
M16 X 1.5 24 8.8
180(133) 216(159) 238(176)
10.9
257(190) 309(228) 350(258)
12.9
301(222) 361(266) 409(301)
M18X 1.5 27 8.8
271(200) 325(240) 358(264)
10.9
375(276) 450(332) 510(376)
12.9
438(323) 526(388) 595(439)
M20 X 1.5 30 8.8
379(279) 454(335) 500(369)
10.9
523(386) 628(463) 712(525)
12.9
612(451) 734(542) 832(613)
M22 X 1.5 32 8.8
506(373) 608(448) 668(493)
10.9
700(516) 840(619) 952(702)
12.9
818(603) 982(724) 1112(820)
M24 X 2 36 8.8
643(474) 771(569) 848(625)
10.9
888(655) 1066(786) 1208(891)
12.9
1038(766) 1246(919) 1411(1041)
M30 X 2 46 8.8
1311(967) 1573(1160) 1729(1276)
10.9
1812(1336) 2174(1604) 2465(1818)
12.9
2118(1562) 2542(1875) 2878(2123)
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