Idiomas disponibles
Idiomas disponibles
TECHNICAL DATA
Torque Specifications
Engine crankshaft bolt
Deck pulley nuts
Lug nuts
Blade bolt
U.S. Standard Hardware
Grade
Size
1/4
5/16
3/8
7/16
1/2
9/16
5/8
3/4
7/8
1-1/8
** Grade 5 - Minimum commercial quality (lower quality not recommended)
Metric Standard Hardware
Grade
Size
M4
M5
M6
M7
M8
M10
M12
M14
M16
M18
M20
M22
M24
M27
50 ft-lb
55-75 ft-lb
75-90 ft-lb
45-55 ft-lb
HEX HEAD CAP SCREWS
The torque values shown must be used as a general guideline
when specific torque values are not given.
SAE Grade 5
ft-lb
Nm
9
12
18
24
31
42
50
68
75
102
110
149
150
203
250
339
378
512
782
1060
Grade 8.8
ft-lb
1.5
3
5.2
8.2
13.5
24
43.5
70.5
108
142
195
276
353
530
Standard 1/4" fasteners
Standard 5/16" fasteners
Standard 3/8" fasteners
Standard 7/16" fasteners
Standard 1/2" fasteners
SAE Grade 8
ft-lb
13
28
46
75
115
165
225
370
591
1410
Grade 10.9
Nm
ft-lb
2
2.2
4
4.5
7
7.5
11
12
18
18.8
33
35.2
59
62.2
96
100
146
147
193
202
264
275
374
390
478
498
719
735
9 ft-lb
18 ft-lb
33 ft-lb
52 ft-lb
80 ft-lb
Flangelock Screw
w/Flangelock Nut
Nm
ft-lb
18
38
24
62
40
102
156
224
305
502
801
1912
Grade 12.9
Nm
ft-lb
3
2.7
6
5.2
10
8.2
16
15
25
21.8
48
43.5
84
75
136
119
199
176
274
242
373
330
529
471
675
596
996
904
Nm
33
54
Nm
3.7
7
11
20
30
59
102
161
239
328
447
639
808
1226
35
