23
GENERAL TORQUE SPECIFICATION TABLE
USE THE FOLLOWING TORQUES WHEN SPECIAL TORQUES ARE NOT GIVEN
NOTE: These values apply to fasteners as received from supplier, dry or when lubricated with normal oil. They do not apply if
special graphited or moly disulphide greases or other extreme pressure lubricants are used. This applies to both UNF and UNC
threads.
TORQUE SPECIFICATION TABLE
SEE Grade No.
2
5
8 *
BOLT HEAD
IDENTIFICATION
MARKS AS PER GRADE
NOTE MANUFACTURING
MARKS WILL VARY
TORQUE
TORQUE
TORQUE
BOLT SIZE
POUNDS FEET NEWTON-METERS
POUNDS FEET NEWTON-METERS
POUNDS FEET NEWTON-METERS
Inches
Millimetre
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Min. Max.
Max.
Min. Max.
Max.
1/4"
6.35
5
6
6.8
8.13
9
11
12.2
14.9
12
15
16.3
30.3
5/16"
7.94
10
12
13.6
16.3
17
20.5
23.1
27.8
24
29
32.5
39.3
3/8"
9.53
20
23
27.1
31.2
35
42
47.5
57
45
54
61
73.2
7/16"
11.11
30
35
40.7
47.4
54
64
73.2
86.8
70
84
94.9
113.9
1/2"
12.7
45
52
61
70.5
80
96
108.5
130.2
110
132
149.2
179
9/16"
14.29
65
75
88.1
101.6
110
132
149.2
179
160
192
217
260.4
5/8"
15.88
95
105
128.7
142.3
150
180
203.4
244.1
220
264
298.3
358
3/4"
19.05
150
185
203.3
250.7
270
324
366.1
439.3
380
456
515.3
618.3
7/8"
22.23
160
200
216.8
271
400
480
542.4
650.9
600
720
813.6
976.3
1"
25.4
250
300
338.8
406.5
580
696
786.5
943.8
900
1080
1220.4
1464.5
*Thick nuts must be used with grade 8 bolts
METRIC BOLT TORQUE SPECIFICATIONS
COARSE THREAD
Size Screw Grade No. Pitch
(mm)
Pounds Feet
Newton-Meters Pitch
(mm)
Pounds Feet
Newton-Meters
M6
4T
1.00
3.6 -
5.8
4.9 -
7.9
-
-
-
7T
5.8 -
9.4
7.9 -
12.7
-
-
8T
7.2 - 10
9.8 -
13.6
-
-
M8
4T
1.25
7.2 - 14
9.8 - 19
1.00
12 -
17
16.3 -
23
7T
17 - 22
23 -
29.8
19 -
27
25.7 -
36.6
8T
20 - 26
27.1 -
35.2
22 -
31
29.8 -
42
M10
4T
1.50
20 - 25
27.1 -
33.9
1.25
20 -
29
27.1 -
39.3
7T
34 - 40
46.1 -
54.2
35 -
47
47.4 -
63.7
8T
38 - 46
51.5 -
62.3
40 -
52
54.2 -
70.5
M12
4T
1.75
28 - 34
37.9 -
46.1
1.25
31 -
41
42
-
55.6
7T
51 - 59
69.1 -
79.9
56 -
68
75.9 -
92.1
8T
57 - 66
77.2 -
89.4
62 -
75
84
- 101.6
M14
4T
2.00
49 - 56
66.4 -
75.9
1.50
52 -
64
70.5 -
86.7
7T
81 - 93
109.8 - 126
90 - 106
122
- 143.6
8T
96 - 109
130.1 - 147.7
107 - 124
145
- 168
M16
4T
2.00
67 - 77
90.8 - 104.3
1.50
69 -
83
93.5 - 112.5
7T
116 - 130
157.2 - 176.2
120 - 138
162.6 - 187
8T
129 - 145
174.8 - 196.5
140 - 158
189.7 - 214.1
M18
4T
2.00
88 - 100
119.2 - 136
1.50
100 - 117
136
- 158.5
7T
150 - 168
203.3 - 227.6
177 - 199
239.8 - 269.6
8T
175 - 194
237.1 - 262.9
202 - 231
273.7 - 313
M20
4T
2.50
108 - 130
146.3 - 176.2
1.50
132 - 150
178.9 - 203.3
7T
186 - 205
252 - 277.8
206 - 242
279.1 - 327.9
8T
213 - 249
288.6 - 337.4
246 - 289
333.3 - 391.6
FINE THREAD
Содержание BERCO PIONEER 700455
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