TORQUE SPECIFICATIONS
Proper torque for American fasteners used on Bush Hog equipment.
Recommended Torque in Foot Pounds (Newton Meters).
•
AMERICAN
Bolt Head Markings
SAE
Grade2
(No Dashes)
AE
GradeS
(3 Dashes)
SAE
GradeS
16 Dashes)
WRENCH
SIZE (IN.) ''A''
7116
7116
112
112
9116
9116
518
518
314
314
718
718
1
1
1-1/8
1-1/8
1-5116
1-5/16
1-112
1-112
1-112
1-11116
1-11116
1-718
1-718
2-1116
2-1/16
2-114
2-114
BOLT DIAMETER
(IN.) "B" AND
THREAD SIZE
114 - 2QUNC
114 - 28 UNF
5116- 18UNC
5116 - 24 UNF
318-16UNC
318-24 UNF
7116-14UNC
7116-20 UNF
1 12- 13 UNC
112-20 UNF
9116-12UNC
9116 - 18 UNF
5/8 - 11 UNC
518-18 UNF
3/4 - 10 UNC
3/4- 16 UNF
7/8-9 UNC
718- 14 UNF
1 - 8 UNC
1 -12uNF
1 - 14 UNF
1-118- 7 UNC
1-1
I
8 - 12 UNF
1-1 14-7 UNC
1 -1
I
4 - 12 UNF
1-318 - 6 UNC
1-318 - 12 UNF
1-1 12- 6 UNC
1-112 - 12uNF
SAE
SAE
SAE
GRADE2
GRADEl
G
RA
D
E
l
6 (7)
8 (11)
12 (16)
6 (8)
10 (13)
14 (18)
11 (15)
17 (23)
25 (33)
13 (17)
19 (26)
27 (37)
20
(27)
31 (42)
44
(60)
23
(31)
35 (47)
49 (66)
32
(43)
49 (66)
70 (95)
36 (49)
55 (75)
78 (106)
49 (66)
76 (103)
106 (144)
55 (75)
85
(115)
120 (163)
70 (95)
109 (148)
153 (207)
79 (107)
122 (165)
172 (233)
97 (131)
150 (203)
212 (287)
110 (149)
170
(230)
240 (325)
144 (195)
266
(360)
376
(509)
192 (260)
297 (402)
420
(569)
166 (225)
430 (583)
606
(821)
184 (249)
474 (642)
668
(905)
250
(339)
644
(873)
909
(1232)
274 (371)
705 (955)
995 (1348)
2fKl (379)
121 (9n)
1019 (1381)
354
(480)
795 (10nl
1288 (1745)
397
(538)
890
(1206)
1444 (1957)
500
(678)
1120 (1518)
1817 (2462)
553 (749)
1241 (1682)
2013 (2728)
655 (887)
1470 (1992)
2382
(3228)
746 (1011)
1672 (2266)
2712 (3675)
870 (1179)
1950 (2642)
3161 (4283)
979 (1327)
2194 (2973)
3557 (4820)
Proper torque for metric fasteners used on Bush Hog equipment.
Recommended Torque in Foot Pounds (Newton Meters).
•
Wrench
Slze"A"
Numbers
appearing on bolt heads
indicate ASTM class.
•
Use
75% of
the specified torque value for plated
fasteners. Use
85%
of the specified torque values
for lubricated fasteners.
WRENCH
SIZE
(mm)"A"
8
10
13
16
18
21
24
30
41
BOLT
ASTM
DIA.
CLASS
(mm)"l"
....
5
1.8 (2.41
6
3 (4)
8
7.3
(10)
10
14.5
(20)
12
25
(34)
14
40 (54)
16
62 (84)
20
122 (165)
24
211
(286)
27
30
418
(566)
ASTM
ASTM
ASTM
CLASS
CLASS
C
L
ASS
1.1
•••
10.1
5.1 (6.91
6.5 (8.81
8.7 (121
11.1 ( 151
21.1
(29)
27 (37)
42 (57)
53
(72)
74 (100)
73
(99)
93 (1261
118 (160)
116 (157)
148 1201
I
167 (226)
181 (2451
230
(3121
325
(440)
449
(608)
443 (600)
611 (8281
563
(763)
n8 110541
821 (1112)
1138 (1542)
1119 (1516)
1547 120961
