Torque Specifications
Use these torque values when specific torque values
are not given. DO NOT use these values in place of
specified values.
The torque values listed below are for lubricated
threads. Plated threads are considered to be lubricated.
Capscrew Markings and Torque Values - U.S. Customary
SAE Grade Number
5
8
________________________________________________________________________________________________________________________________________________________
Capscrew Head Markings
________________________________________________________________________________________________________________________________________________________
Capscrew Torque - Grade 5
Capscrew Torque - Grade 8
Aluminum
Capscrew Body Size
Cast Iron
Nm
Aluminum
Nm
Cast Iron
Nm
ft-lb
ft-lb
________________________________________________________________________________________________________________________________________________________
ft-lb
ft-lb
Nm
1/4-20
-28
7
9
9
6
7
8
9
11
13
15
18
9
12
14
12
10
________________________________________________________________________________________________________________________________________________________
5/16-18
-24
15
17
20
23
12
14
16
19
22
24
30
33
18
19
24
25
________________________________________________________________________________________________________________________________________________________
3/8-16
-24
30
30
40
40
20
25
25
35
40
45
55
60
30
35
40
45
________________________________________________________________________________________________________________________________________________________
7/16-14
-20
45
50
60
65
35
40
45
55
65
70
90
95
50
55
65
75
________________________________________________________________________________________________________________________________________________________
1/2-13
-20
70
75
95
55
60
75
80
95
130
150
75
90
100
120
100
110
________________________________________________________________________________________________________________________________________________________
9/16-12
-18
100
110
135
150
80
85
110
115
140
155
190
210
110
125
150
170
________________________________________________________________________________________________________________________________________________________
5/8-11
-18
135
155
180
210
110
120
150
160
190
215
255
290
150
170
205
230
________________________________________________________________________________________________________________________________________________________
3/4-10
-16
240
270
325
365
190
210
255
285
340
380
460
515
270
300
365
410
________________________________________________________________________________________________________________________________________________________
7/8-9
-14
360
390
490
530
280
310
380
420
550
610
745
825
440
490
600
660
________________________________________________________________________________________________________________________________________________________
1-8
-14
530
590
720
800
420
480
570
650
820
890
1100
1200
660
710
890
960
Capscrew Markings and Torque Values – Metric
Commercial Steel Class
8.8
10.9
12.9
________________________________________________________________________________________________________________________________________________________
Capscrew Head Markings
________________________________________________________________________________________________________________________________________________________
Thread
Diameter
mm
Capscrew Torque - Class 8.8
Capscrew Torque - Class 10.9
Capscrew Torque - Class 12.9
Cast Iron Aluminum
Nm
Cast Iron
Nm
Aluminum
Cast Iron
Nm
Aluminum
ft-lb
ft-lb
Nm
ft-lb
ft-lb
Nm
ft-lb
ft-lb
Nm
________________________________________________________________________________________________________________________________________________________
6
5
9
4
7
9
14
7
11
9
14
7
11
________________________________________________________________________________________________________________________________________________________
7
9
14
7
11
14
18
11
14
18
23
14
18
________________________________________________________________________________________________________________________________________________________
8
18
25
14
18
23
32
18
25
27
36
21
28
________________________________________________________________________________________________________________________________________________________
10
30
40
25
30
45
60
35
45
50
70
40
55
________________________________________________________________________________________________________________________________________________________
12
55
70
40
55
75
105
60
80
95
125
75
100
________________________________________________________________________________________________________________________________________________________
14
85
115
65
90
120
160
95
125
145
195
110
150
________________________________________________________________________________________________________________________________________________________
16
130
180
100
140
175
240
135
190
210
290
165
220
________________________________________________________________________________________________________________________________________________________
18
170
230
135
180
240
320
185
250
290
400
230
310
Greensmaster® 3100
Page 2 - 3
Torque Specifications
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
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