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TORQUE CHART & CONVERSION CHART
TORQUE CHART
Use the following chart as a guide for proper torque of
dry column for unplated hardware and the lub column
all bolts during assembly or maintenance work. Use the
for all plated hardware unless specified otherwise in
text.
SUGGESTED ASSEMBLY TORQUE VALUES
SAE GRADE 2
ASSEMBLY TORQUE
SAEGRADE 5
ASSEMBLYTORQUE
GRADE 8
ASSEMBLY TORQUE
SIZE
DRY
[
LUB
DRY
j
LUB
DRY
l
LUB
Ft.-Lb.
N ■ m
Ft.-Lb.
N • m
Ft.-Lb.
N ■ m
Ft.-Lb.
N 1 m
Ft.-Lb.
N ■ m
Ft.-Lb.
N • m
5/16"-18
11
15
8
11
17
23
13
18
25
34
18
24
5/16"-24
12
16
9
19
26
14
19
27
37
20
27
3/8" -16
20
27
15
30
41
23
31
45
61
35
47
3/8" - 24
23
31
17
23
35
47
25
34
50
68
35
47
7/16"-14
30
41
23
31
50
68
35
47
70
95
50
68
7/16"-20
35
47
26
35
55
75
40
54
80
108
60
81
1 /2" -13
50
68
35
47
75
102
55
75
110
140
80
108
1/2"-20
55
75
40
54
85
115
65
88
120
163
90
122
9/16"-12
70
95
50
68
110
149
80
108
150
203
110
149
9/16"-18
80
108
60
81
120
163
90
122
170
230
130
176
5/8" - 11
95
129
70
95
150
203
110
149
210
285
160
217
5/8"-18
110
149
80
108
170
230
130
176
240
325
180
244
3/4"-10
170
230
125
169
265
359
200
271
375
508
280
380
3/4"-16
190
258
140
190
300
407
225
305
420
569
315
427
7/8"-9
-
165
224
120
163
430
583
320
434
600
813
450
610
7/8"-14
185
251
135
183
475
644
360
488
670
908
500
678
1 " - 8
250
339
190
258
645
874
480
651
900
1220
675
915
1 " - 12
280
380
210
285
720
976
540
732
1000
1356
750
1017
O
GRADE 2
NO MARKS
©
GRADE 5
3 MARKS
A"A
GRADE 8
yy 6 MARKS
The following chart is included for your convenience in converting fractions to decimals or the metric equivalent.
CONVERSION CHART
1
FRACTION
DECIMAL
METRIC
FRACTION
DECIMAL
METRIC
1/32"
.031
.79 mm
17/32"
.531
13.49 mm
1/16"
.062
1.59 mm
9/16"
.562
14.29 mm
3/32"
.094
2.38 mm
19/32"
.594
15.08 mm
1 /8"
.125
3.17 mm
5/8"
.625
15.87 mm
5/32"
.156
3.97 mm
21/32"
.656
16.77 mm
3/16"
.187
4.76 mm
11/16"
.687
17.46 mm
7/32"
.219
5.56 mm
23/32"
.719
18.26 mm
1/4"
.250
6.35 mm
3/4"
.75
19.05 mm
9/32"
.281
7.14 mm
25/32"
.781
19.84 mm
5/16"
.312
7.94 mm
13/16"
.812
20.64 mm
11 /32"
.344
8.73 mm
27/32"
.844
21.43 mm
3/8"
.375
9.53 mm
7/8"
.875
22.23 mm
13/32"
.406
10.32 mm
29/32"
.906
23.02 mm
7/16"
.437
11.11 mm
15/16"
.937
23.81 mm
15/32"
.469
11.91 mm
31/32"
.969
24.61 mm
1/2"
.50
12.7 mm
1"
1.0
25.4
mm
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