Torque Specifications - Bush Hog CBH60 Operator's Manual

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AMERICAN
Bolt Head Markings
SAE Grade 2
(No Dashes)
SAE Grade 5
(3 Dashes)
Wrench
SAE Grade 8
Size "A"
(6 Dashes)
METRIC
Wrench
Size "A"
8.8
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.
All manuals and user guides at all-guides.com

TORQUE SPECIFICATIONS

Proper toque for American fasteners used on Bush Hog equipment.
Recommended Torque in Foot Pounds (Newton Meters).*
BOLT DIAMETER
WRENCH
(IN.) "B" AND
SIZE (IN.) "A"
THREAD SIZE
7/16
1/4 - 2O UNC
7/16
1/4 - 28 UNF
1/2
5/16 - 18 UNC
1/2
5/16 - 24 UNF
9/16
3/8 - 16 UNC
9/16
3/8 - 24 UNF
5/8
7/16 - 14 UNC
5/8
7/16 - 20 UNF
3/4
1/2 - 13 UNC
3/4
1/2 - 20 UNF
7/8
9/16 - 12 UNC
7/8
9/16 - 18 UNF
15/16
5/8 - 11 UNC
15/16
5/8 - 18 UNF
1-1/8
3/4 - 10 UNC
1-1/8
3/4 - 16 UNF
1-5/16
7/8 - 9 UNC
1-5/16
7/8 - 14 UNF
1-1/2
1-1/2
1 - 12 UNF
1-1/2
1 - 14 UNF
1-11/16
1-1/8 - 7 UNC
1-11/16
1-1/8 - 12 UNF
1-7/8
1-1/4 - 7 UNC
1-7/8
1-1/4 - 12 UNF
2-1/16
1-3/8 - 6 UNC
2-1/16
1-3/8 - 12 UNF
2-1/4
1-1/2 - 6 UNC
2-1/4
1-1/2 - 12 UNF
Proper torque for metric fasteners used on Bush Hog equipment.
Recommended torque in foot pounds (Newton Meters).*
—WRENCH
SIZE
(mm) "A"
8
10
13
16
18
21
24
30
33
36
41
46
SAE
GRADE 2
6 (7)
6 (8)
11 (15)
13 (17)
20 (27)
23 (31)
32 (43)
36 (49)
49 (66)
55 (75)
70 (95)
79 (107)
97 (131)
110 (149)
144 (195)
192 (260)
166 (225)
184 (249)
1 - 8 UNC
250 (339)
274 (371)
280 (379)
354 (480)
397 (538)
500 (678)
553 (749)
655 (887)
746 (1011)
870 (1179)
979 (1327)
BOLT
DIA.
ASTM
(mm) "B"
4.6
5
1.8 (2.4)
6
3 (4)
8
7.3 (10)
10
14.5 (20)
12
25 (34)
14
40 (54)
16
62 (84)
20
122 (165)
22
24
211 (286)
27
30
418 (566)
51
SAE
SAE
GRADE 5
GRADE 8
8 (11)
12 (16)
10 (13)
14 (18)
17 (23)
25 (33)
19 (26)
27 (37)
31 (42)
44 (60)
35 (47)
49 (66)
49 (66)
70 (95)
55 (75)
78 (106)
76 (103)
106 (144)
85 (115)
120 (163)
109 (148)
153 (207)
122 (165)
172 (233)
150 (203)
212 (287)
170 (230)
240 (325)
266 (360)
376 (509)
297 (402)
420 (569)
430 (583)
606 (821)
474 (642)
668 (905)
644 (873)
909 (1232)
705 (955)
995 (1348)
721 (977)
1019 (1381)
795 (1077)
1288(1745)
890 (1206)
1444 (1957)
1120 (1518)
1817 (2462)
1241 (1682)
2013 (2728)
1470 (1992)
2382 (3228)
1672 (2266)
2712 (3675)
1950 (2642)
3161 (4283)
2194 (2973)
3557 (4820)
ASTM
ASTM
ASTM
8.8
9.8
5.1 (6.9)
6.5 (8.8)
8.7 (12)
11.1 (15)
21.1 (29)
27 (37)
42 (57)
53 (72)
74 (100)
73 (99)
93 (126)
118 (160)
116 (157)
148 (201)
167 (226)
181 (245)
230 (312)
325 (440)
449 (608)
443 (600)
611 (828)
563 (763)
778 (1054)
821 (1112)
1138 (1542)
1119 (1516)
1547 (2096)
10.9

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