Torque specifications – Toro GREENSMASTER 3100 User Manual
Page 11

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
Capscrew Markings and Torque Values – Metric
SAE Grade Number
5
8
________________________________________________________________________________________________________________________________________________________
Capscrew Head Markings
________________________________________________________________________________________________________________________________________________________
Capscrew Torque - Grade 5
Capscrew Torque - Grade 8
Capscrew Body Size
Cast Iron
Aluminum
Cast Iron
Aluminum
ft-lb
Nm
ft-lb
Nm
ft-lb
Nm
ft-lb
Nm
________________________________________________________________________________________________________________________________________________________
1/4-20
7
9
6
8
11
15
9
12
-28
9
12
7
9
13
18
10
14
________________________________________________________________________________________________________________________________________________________
5/16-18
15
20
12
16
22
30
18
24
-24
17
23
14
19
24
33
19
25
________________________________________________________________________________________________________________________________________________________
3/8-16
30
40
20
25
40
55
30
40
-24
30
40
25
35
45
60
35
45
________________________________________________________________________________________________________________________________________________________
7/16-14
45
60
35
45
65
90
50
65
-20
50
65
40
55
70
95
55
75
________________________________________________________________________________________________________________________________________________________
1/2-13
70
95
55
75
95
130
75
100
-20
75
100
60
80
110
150
90
120
________________________________________________________________________________________________________________________________________________________
9/16-12
100
135
80
110
140
190
110
150
-18
110
150
85
115
155
210
125
170
________________________________________________________________________________________________________________________________________________________
5/8-11
135
180
110
150
190
255
150
205
-18
155
210
120
160
215
290
170
230
________________________________________________________________________________________________________________________________________________________
3/4-10
240
325
190
255
340
460
270
365
-16
270
365
210
285
380
515
300
410
________________________________________________________________________________________________________________________________________________________
7/8-9
360
490
280
380
550
745
440
600
-14
390
530
310
420
610
825
490
660
________________________________________________________________________________________________________________________________________________________
1-8
530
720
420
570
820
1100
660
890
-14
590
800
480
650
890
1200
710
960
Commercial Steel Class
8.8
10.9
12.9
________________________________________________________________________________________________________________________________________________________
Capscrew Head Markings
________________________________________________________________________________________________________________________________________________________
Thread
Capscrew Torque - Class 8.8
Capscrew Torque - Class 10.9
Capscrew Torque - Class 12.9
Diameter
Cast Iron
Aluminum
Cast Iron
Aluminum
Cast Iron
Aluminum
mm
ft-lb
Nm
ft-lb
Nm
ft-lb
Nm
ft-lb
Nm
ft-lb
Nm
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