23
7.2 General Torque
Unit:
N・m {kgf・cm}
Intensity 4.6, 4.8, 5.6, 5.8, 6.3 (4T, 5T, 6T) 8.8, 9.8, 10.9, 12.9 (7T)
Nominal
Designation
Nominal
Tightening Torque
Allowance Limit
Tightening
Strength
N{kgf}
Nominal
Tightening Torque
Allowance Limit
Tightening
Strength
N{kgf}
M3 × 0.5
0.6
{6}
0.5 ~ 0.8
{5 ~ 8}
845
{86}
1.2
{12}
1.0 ~ 1.5
{11 ~ 15}
1610
{164}
M4 × 0.7
1.5
{15}
1.3 ~ 1.9
{14 ~ 19}
1475
{150}
2.8
{29}
2.8 ~ 4.8
{29 ~ 49}
2810
{287}
M5 × 0.8
3.0
{30}
2.6 ~ 3.8
{27 ~ 39}
2386
{243}
5.7
{58}
4.8 ~ 7.1
{49 ~ 72}
4544
{463}
M6 × 1.0
5.1
{52}
4.3 ~ 6.4
{44 ~ 65}
3377
{344}
9.6
{98}
8.6 ~ 14.4
{88 ~ 147}
6432
{656}
M8 × 1.25
12
{125}
11 ~ 16
{112 ~ 163}
6149
{627}
23
{239}
20 ~ 30
{204 ~ 306}
11712
{1194}
M10 × 1.5
24
{248}
21 ~ 31
{214 ~ 316}
9744
{994}
46
{473}
40 ~ 60
{408 ~ 612}
18560
{1893}
M12 × 1.75
42
{433}
37 ~ 54
{377 ~ 551}
14162
{1444}
81
{825}
70 ~ 100
{714 ~ 1020}
26976
{2751}
M14 × 2.0
68
{690}
60 ~ 85
{612 ~ 867}
19320
{1970}
129
{1313}
110 ~ 160
{1122 ~ 1632}
36800
{3753}
M16 × 2.0
106
{1076}
90 ~ 130
{918 ~ 1326}
26376
{2690}
201
{2049}
170 ~ 250
{1734 ~ 2549}
50240
{5123}
M18 × 2.5
145
{1480}
125 ~ 180
{1275 ~ 1835}
32256
{3289}
276
{2819}
235 ~ 345
{2396 ~ 3518}
61440
{6265}
M20 × 2.5
206
{2099}
175 ~ 260
{1785 ~ 2651}
41160
{4197}
392
{3997}
335 ~ 490
{3416 ~ 4997}
78400
{7995}
M22 × 2.5
280
{2855}
240 ~ 350
{2447 ~ 3569}
50904
{5191}
533
{5438}
455 ~ 665
{4640 ~ 6781}
96960
{9887}
M24 × 3.0
356
{3628}
305 ~ 445
{3110 ~ 4538}
59304
{6047}
678
{6911}
575 ~ 845
{5863 ~ 8617}
112960
{11519}
Material SS, S××C, SWRM, SWCH NC, SNCM, SCM (hardening & tempering treated)