Bush Hog RTH Manuel de l'opérateur télécharger pdf (Page 18)

B O L T D IA M E T E R

W R E N C H (IN .) “ B ” A N D S A E S A E S A E

S IZ E ( IN .) “ A ” T H R E A D S IZ E G R A D E 2 G R A D E 5 G R A D E 8

/16 1/4 - 2O UNC 6 (7) 8 (11) 12 (16)

7/16 1/4 - 28 UNF 6 (8) 10 (13) 14 (18)

1/2 5/16 - 18 UNC 11 (15) 17 (23) 25 (33)

1/2 5/16 - 24 UNF 13 (17) 19 (26) 27 (37)

9/16 3/8 - 16 UNC 20 (27) 31 (42) 44 (60)

9/16 3/8 - 24 UNF 23 (31) 35 (47) 49 (66)

/8 7/16 - 14 UNC 32 (43) 49 (66) 70 (95)

5/8 7/16 - 20 UNF 36 (49) 55 (75) 78 (106)

3/4 1/2 - 13 UNC 49 (66) 76 (103) 106 (144)

3/4 1/2 - 20 UNF 55 (75) 85 (115) 120 (163)

7/8 9/16 - 12 UNC 70 (95) 109 (148) 153 (207)

7/8 9/16 - 18 UNF 79 (107) 122 (165) 172 (233)

15/16 5/8 - 11 UNC 97 (131) 150 (203) 212 (287)

5/16 5/8 - 18 UNF 110 (149) 170 (230) 240 (325)

1-1/8 3/4 - 10 UNC 144 (195) 266 (360) 376 (509)

1-1/8 3/4 - 16 UNF 192 (260) 297 (402) 420 (569)

1-5/16 7/8 - 9 UNC 166 (225) 430 (583) 606 (821)

1-5/16 7/8 - 14 UNF 184 (249) 474 (642) 668 (905)

1-1/2 1 - 8 UNC 250 (339) 644 (873) 909 (1232)

1-1/2 1 - 12 UNF 274 (371) 705 (955) 995 (1348)

1-1/2 1 - 14 UNF 280 (379) 721 (977) 1019 (1381)

1-11/16 1-1/8 - 7 UNC 354 (480) 795 (1077) 1288(1745)

1-11/16 1-1/8 - 12 UNF 397 (538) 890 (1206) 1444 (1957)

1-7/8 1-1/4 - 7 UNC 500 (678) 1120 (1518) 1817 (2462)

1-7/8 1-1/4 - 12 UNF 553 (749) 1241 (1682) 2013 (2728)

2-1/16 1-3/8 - 6 UNC 655 (887) 1470 (1992) 2382 (3228)

2-1/16 1-3/8 - 12 UNF 746 (1011) 1672 (2266) 2712 (3675)

2-1/4 1-1/2 - 6 UNC 870 (1179) 1950 (2642) 3161 (4283)

2-1/4 1-1/2 - 12 UNF 979 (1327) 2194 (2973) 3557 (4820)

TORQUE SPECIFICATIONS

Proper toque for American fasteners used on Bush Hog equipment.

Recommended Torque in Foot Pounds (Newton Meters).*

Proper torque for metric fasteners used on Bush Hog equipment.

Recommended torque in foot pounds (newton Meters).*

—WRENCH BOLT

SIZE DIA. ASTM ASTM ASTM ASTM

(mm) “A” (mm) “B” 4.6 8.8 9.8 10.9

851.8 (2.4) 5.1 (6.9) 6.5 (8.8)

10 6 3 (4) 8.7 (12) 11.1 (15)

13 8 7.3 (10) 21.1 (29) 27 (37)

16 10 14.5 (20) 42 (57) 53 (72)

18 12 25 (34) 74 (100) 73 (99) 93 (126)

21 14 40 (54) 118 (160) 116 (157) 148 (201)

24 16 62 (84) 167 (226) 181 (245) 230 (312)

30 20 122 (165) 325 (440) 449 (608)

33 22 443 (600) 611 (828)

36 24 211 (286) 563 (763) 778 (1054)

41 27 821 (1112) 1138 (1542)

46 30 418 (566) 1119 (1516) 1547 (2096)

*U s e 7 5% o f th e s pe cifie d to rq u e v a lu e fo r

p la te d fa ste n ers . U s e 8 5 % o f th e s p e c i-

fie d to rq u e v a lu e s fo r lu bric ate d fa s te n ers .

Numbers appearing on bolt heads

indicate ASTM class.

METRIC

AMERICAN

Bolt Head Markings

Wrench

Size “A”

eter

“

B”

SAE Grade 8

(6 Dashes)

SAE Grade 2

(No Dashes)

SAE Grade 5

(3 Dashes)

Wrench

Size “A”

8.8

Bolt

Dia

met

er “B

”

1 2 ... 13 14 15 16 17 18 19 20

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Bush Hog RTH Manuel de l'opérateur Page 18

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