Torque Specifications - Toro Groundsmaster 455-D Service Manual

Torque Specifications

Use these torque values when specific torque values
are not given. DO NOT use these values in place of
specified values.
Capscrew Markings and Torque Values - U.S. Customary
SAE Grade Number
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Capscrew Head Markings
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Capscrew Body Size
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1/ 4-20
-28
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5/ 16-18
-24
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3/ 8-16
-24
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7/ 16-14
-20
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1/ 2-13
-20
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9/16-12
-18
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5/8-11
-18
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3/4-10
-16
________________________________________________________________________________________________________________________________________________________
7/8-9
-14
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1-8
-14
Capscrew Markings and Torque Values – Metric
Commercial Steel Class
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Capscrew Head Markings
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Thread Capscrew Torque - Class 8.8
Diameter Cast Iron
mm ft-lb Nm
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6 5 9
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7 9 14
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8 18 25
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10 30 40
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12 55 70
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14 85 115
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16 130 180
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18 170 230
®
Groundsmaster 455-D
5
Capscrew Torque - Grade 5
Cast Iron
ft-lb Nm ft-lb
7 9
9 12
15 20
17 23
30 40
30 40
45 60
50 65
70 95
75 100
100 135
110 150
135 180 110
155 210 120
240 325 190
270 365 210
360 490 280
390 530 310
530 720 420
590 800 480
8.8
Capscrew Torque - Class 10.9
Aluminum Cast Iron
ft-lb Nm ft-lb
4 7 9
7 11 14
14 18 23
25 30 45
40 55 75
65 90 120
100 140 175
135 180 240
Page 2 - 3
The torque values listed below are for lubricated
threads. Plated threads are considered to be lubricated.
Capscrew Torque - Grade 8
Aluminum Cast Iron
Nm ft-lb
6 8 11
7 9 13
12 16 22
14 19 24
20 25 40
25 35 45
35 45 65
40 55 70
55 75 95
60 80 110
80 110 140
85 115 155
150 190
160 215
255 340
285 380
380 550
420 610
570 820
650 890
10.9
Aluminum
Nm ft-lb Nm
14 7 11
18 11 14
32 18 25
60 35 45
105 60 80
160 95 125
240 135 190
320 185 250
8
Aluminum
Nm ft-lb Nm
15 9 12
18 10 14
30 18 24
33 19 25
55 30 40
60 35 45
90 50 65
95 55 75
130 75 100
150 90 120
190 110 150
210 125 170
255 150 205
290 170 230
460 270 365
515 300 410
745 440 600
825 490 660
1100 660 890
1200 710 960
12.9
Capscrew Torque - Class 12.9
Cast Iron Aluminum
ft-lb Nm ft-lb Nm
9 14 7 11
18 23 14 18
27 36 21 28
50 70 40 55
95 125 75 100
145 195 110 150
210 290 165 220
290 400 230 310
Torque Specifications