MR25664
37
BOLT TORQUE SPECIFICATION
GENERAL TORQUE SPECIFICATION TABLES
Use the following charts when determining bolt torque specifications, when special torques are not given. Always use grade
5 or better when replacing bolts.
SAE BOLT TORQUE SPECIFICATIONS
Note: The following torque values are for use with extreme pressure lubricants, plating or hard washer
applications. Increase torque 15% when using hardware that is unplated and either dry or lubricated with engine oil.
Bolt Size
SAE GRADE 5 TORQUE
Ft-lbs
Newton-Meter
SAE GRADE 8 TORQUE
Ft-lbs
Newton-Meter
Bolt head identification marks as per grade.
NOTE: Manufacturing Marks Will Vary
Inches
mm
UNC
UNF
UNC
UNF
UNC
UNF
UNC
UNF
Grade 2
Grade 5
Grade 8
1/4
6,35
8
9
11
12
10
13
14
18
5/16
7,94
14
17
19
23
20
25
27
34
3/8
9,53
30
36
41
49
38
46
52
62
7/16
11,11
46
54
62
73
60
71
81
96
1/2
12,70
68
82
92
111
94
112
127
152
9/16
14,29
94
112
127
152
136
163
184
221
5/8
15,88
128
153
174
207
187
224
254
304
3/4
19,05
230
275
312
373
323
395
438
536
7/8
22,23
340
408
461
553
510
612
691
830
1
25,40
493
592
668
803
765
918
1037
1245
1-1/8
25,58
680
748
922
1014
1088
1224
1475
1660
1-1/4
31,75
952
1054
1291
1429
1547
1700
2097
2305
1-3/8
34,93
1241
1428
1683
1936
2023
2312
2743
3135
1-1/2
38,10
1649
1870
2236
2535
2686
3026
3642
4103
METRIC BOLT TORQUE SPECIFICATIONS
NOTE: The following torque values are for use with metric hardware that
is unplated and either dry or lubricated with engine oil. Reduce torque
15% when using hardware that has extreme pressure lubricants, plating
or hard washer applications.
Bolt head identification marks as per grade.
Bolt Size
Grade No.
Pitch (mm)
Ft-lbs
Newton-Meter
Pitch (mm)
Ft-lbs
Newton-Meter
M6
5.6
8.8
10.9
1,0
3.6-5.8
5.8-.4
7.2-10
4,9-7,9
7,9-12,7
9,8-13,6
-
-
-
-
-
-
-
M8
5.6
8.8
10.9
1,25
7.2-14
17-22
20-26
9,8-19
23-29,8
27,1-35,2
1,0
12-17
19-27
22-31
16,3-23
25,7-36,6
29,8-42
M10
5.6
8.8
10.9
1,5
20-25
34-40
38-46
27,1-33,9
46,1-54,2
51,5-62,3
1,25
20-29
35-47
40-52
27,1-39,3
47,4-63,7
54,2-70,5
M12
5.6
8.8
10.9
1,75
28-34
51-59
57-66
37,9-46,1
69,1-79,9
77,2-89,4
1,25
31-41
56-68
62-75
42-55,6
75,9-92,1
84-101,6
M14
5.6
8.8
10.9
2,0
49-56
81-93
96-109
66,4-75,9
109,8-126
130,1-147,7
1,5
52-64
90-106
107-124
70,5-86,7
122-143,6
145-168
M16
5.6
8.8
10.9
2,0
67-77
116-130
129-145
90,8-104,3
157,2-176,2
174,8-196,5
1,5
69-83
120-138
140-158
93,5-112,5
162,6-187
189,7-214,1
M18
5.6
8.8
10.9
2,0
88-100
150-168
175-194
119,2-136
203,3-227,6
237,1-262,9
1,5
100-117
177-199
202-231
136-158,5
239,8-269,6
273,7-313
M20
5.6
8.8
10.9
2,5
108-130
186-205
213-249
146,3-176,2
252-277,8
288,6-337,4
1,5
132-150
206-242
246-289
178,9-203,3
279,1-327,9
333,3-391,6
Содержание COLD PLANER III Series
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