Fastner torque chart, A: f, Hart – Gradall 544D (9136-4003) Service Manual User Manual
Page 354: Ppendix, Astener, Orque, Bolt size
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A
PPENDIX
A: F
ASTENER
T
ORQUE
C
HART
The following bolt torque charts covering English and Metric fasteners are the ones used by
Gradall Engineering. Gradall ratings are for lubricated fasteners. Do not exceed the
allowable rating. Remember! An over-torqued bolt in most cases will fail as rapidly as an
under-torqued one.
LUBRICATED ENGLISH BOLTS
BOLT SIZE
1/4 - 20
1/4 - 28
5/16 - 18
5/16 - 24
3/8 - 16
3/8 - 24
7/16 - 14
7/16 - 20
1/2 - 13
1/2 - 20
9/16 - 12
9/16 - 18
5/8 - 11
5/8 - 18
3/4 - 10
3/4 - 16
7/8 - 9
7/8 - 14
1 - 8
1 - 14
1 1/8 - 7
1 1/8 - 12
1 1/4 - 7
1 1/4 - 12
3/8 - 6
1 3/8 - 12
1 1/2 - 6
1 1/2 - 12
GRADE 5 BOLTS
GRADE 5 BOLTS
Torque
(ft-lb.)
9
11
17
19
30
32
44
48
68
76
100
112
140
168
240
265
360
390
545
570
710
795
1005
1105
1310
1500
1745
1945
Tolerance
+ or -
(ft-lb.)
+3 -0
+3 -0
+5 -0
+5 -0
+5 -0
+5 -0
+10 -0
+10 -0
+10 -0
+10 -0
+10 -0
+10 -0
+15 -0
+15 -0
+25 -0
+25 -0
+35 -0
+35 -0
+50 -0
+50 -0
+50 -0
+50 -0
+75 -0
+75 -0
+75 -0
+75 -0
+75 -0
+75 -0
Clamp
Load
(lb.)
2,700
3,300
4,080
4,560
6,000
6,400
7,540
8,230
10,200
11,400
13,330
14,930
16,800
20,160
24,000
26,500
30,860
33,430
40,875
42,750
47,330
53,000
60,300
66,300
71,450
81,820
87,250
97,250
Torque
or
(ft-lb.)
10
12
20
24
40
48
68
76
100
115
140
160
200
215
340
370
530
560
795
840
1175
1325
1680
1850
2200
2490
2910
3280
Tolerance
+ or -
(ft-lb.)
+3 -0
+3 -0
+5 -0
+5 -0
+5 -0
+5 -0
+10 -0
+10 -0
+10 -0
+10 -0
+10 -0
+10 -0
+15 -0
+15 -0
+25 -0
+25 -0
+35 -0
+35 -0
+50 -0
+50 -0
+50 -0
+50 -0
+75 -0
+75 -0
+75 -0
+75 -0
+75 -0
+75 -0
Clamp
load
(lb.)
3,000
3,600
4,800
5,760
8,000
9,600
11,660
13,030
15,000
17,250
18,670
21,330
24,000
25,800
34,000
37,000
45,430
48,000
59,625
63,000
78,330
88,330
100,800
111,000
120,000
135,820
145,500
164,000
F
ORM
N
O.
29702
l
l
l
l
l
544C/544D B
OOM
M
AINTENANCE