Torque Specifications - Bush Hog Razorback RZ 160 Operator's Manual

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.
*U se 7 5 % o f th e sp e cifie d to rq u e va lu e fo r
p la te d fa ste n e rs. U se 8 5 % o f th e sp e ci-
fie d to rq u e va lu e s fo r lu b rica te d fa ste n e rs.

TORQUE SPECIFICATIONS

Proper toque for American fasteners used on Bush Hog equipment.
Recommended Torque in Foot Pounds (Newton Meters).*
B O L T D IA M E T E R
W R E N C H (IN .) "B " A N D
S IZ E (IN .) " A " T H R E A D S IZ E
7/16
7/16
1/2
1/2
9/16
9/16
5/8
5/8
3/4
3/4
7/8
7/8
15/16
15/16
1-1/8
1-1/8
1-5/16
1-5/16
1-1/2
1-1/2
1-1/2
1-11/16
1-11/16 1-1/8 - 12 UNF
1-7/8
1-7/8 1-1/4 - 12 UNF
2-1/16
2-1/16 1-3/8 - 12 UNF
2-1/4
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
S A E
G R A D E 2
1/4 - 2O UNC 6 (7)
1/4 - 28 UNF 6 (8)
5/16 - 18 UNC 11 (15)
5/16 - 24 UNF 13 (17)
3/8 - 16 UNC 20 (27)
3/8 - 24 UNF 23 (31)
7/16 - 14 UNC 32 (43)
7/16 - 20 UNF 36 (49)
1/2 - 13 UNC 49 (66)
1/2 - 20 UNF 55 (75)
9/16 - 12 UNC 70 (95)
9/16 - 18 UNF 79 (107)
5/8 - 11 UNC 97 (131)
5/8 - 18 UNF 110 (149)
3/4 - 10 UNC 144 (195)
3/4 - 16 UNF 192 (260)
7/8 - 9 UNC 166 (225)
7/8 - 14 UNF 184 (249)
1 - 8 UNC 250 (339)
1 - 12 UNF 274 (371)
1 - 14 UNF 280 (379)
1-1/8 - 7 UNC 354 (480)
397 (538)
1-1/4 - 7 UNC 500 (678)
553 (749)
1-3/8 - 6 UNC 655 (887)
746 (1011)
1-1/2 - 6 UNC 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)
17
S A E
G R A D E 5 G R A D E 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
8.8 9.8
5.1 (6.9)
8.7 (12)
21.1 (29)
42 (57)
74 (100) 73 (99)
118 (160) 116 (157)
167 (226) 181 (245)
325 (440)
443 (600)
563 (763) 778 (1054)
821 (1112) 1138 (1542)
1119 (1516) 1547 (2096)
S A E
ASTM
10.9
6.5 (8.8)
11.1 (15)
27 (37)
53 (72)
93 (126)
148 (201)
230 (312)
449 (608)
611 (828)