JLG 25AM Service And Maintenance Manual page 19

SECTION 1 - GENERAL SPECIFICATIONS
SAE Fastener Torque Chart (Continued)
Size TPI Bolt Dia
In
4 40 0.1120
48 0.1120
6 32 0.1380
40 0.1380
8 32 0.1640
36 0.1640
10 24 0.1900
32 0.1900
1/4 20 0.2500
28 0.2500
In
5/16 18 0.3125
24 0.3125
3/8 16 0.3750
24 0.3750
7/16 14 0.4375
20 0.4375
1/2 13 0.5000
20 0.5000
9/16 12 0.5625
18 0.5625
5/8 11 0.6250
18 0.6250
3/4 10 0.7500
16 0.7500
7/8 9 0.8750
14 0.8750
1 8 1.0000
12 1.0000
1 1/8 7 1.1250
12 1.1250
1 1/4 7 1.2500
12 1.2500
1 3/8 6 1.3750
12 1.3750
1 1/2 6 1.5000
12 1.5000
NOTES: 1. THESE TORQUE VALUES DO NOT APPLY TO CADMIUM PLATED FASTENERS
2. ALL TORQUE VALUES ARE STATIC TORQUE MEASURED PER STANDARD AUDIT METHODS TOLERANCE = ±10%
3. * ASSEMBLY USES HARDENED WASHER
1-8
Values for Zinc Yellow Chromate Fasteners (Ref 4150707)
SAE GRADE 8 (HEX HD) BOLTS & GRADE 8 NUTS*
Tensile Stress
Clamp Load (Dry or Loctite® 263)
Area
Sq In LB IN-LB
0.00604
0.00661
0.00909
0.01015
0.01400
0.01474 1320
0.01750 1580
0.02000 1800
0.0318 2860
0.0364 3280
Sq In LB FT-LB
0.0524 4720
0.0580 5220
0.0775 7000
0.0878 7900
0.1063 9550
0.1187 10700
0.1419 12750
0.1599 14400
0.1820 16400
0.2030 18250
0.2260 20350
0.2560 23000
0.3340 30100
0.3730 33600
0.4620 41600
0.5090 45800
0.6060 51500
0.6630 59700
0.7630 68700
0.8560 77000
0.9690 87200
1.0730 96600
1.1550 104000
1.3150 118100
1.4050 126500
1.5800 142200
Torque
(Loctite® 242™ or 271™ or
Vibra-TITE™ 111 or 140)
K=0.20
[N.m] IN-LB
43 5
60 7
68 8
143 16 129
164 19 148
[N.m] FT-LB
25 35 20
25 35 25
45 60 40
50 70 45
70 95 65
80 110 70
105 145 95
120 165 110
155 210 140
170 230 155
210 285 190
240 325 215
375 510 340
420 570 380
605 825 545
670 910 600
860 1170 770
995 1355 895
1290 1755 1160
1445 1965 1300
1815 2470 1635
2015 2740 1810
2385 3245 2145
2705 3680 2435
3165 4305 2845
3555 4835 3200
Torque
Torque
(Loctite® 262™ or
Vibra-TITE™ 131)
K=0.18
K=0.15
[N.m] IN-LB
15
17
[N.m] FT-LB
25 20
35 20
55 35
60 35
90 50
95 60
130 80
150 90
190 115
210 130
260 160
290 180
460 280
515 315
740 455
815 500
1045 645
1215 745
1580 965
1770 1085
2225 1365
2460 1510
2915 1785
3310 2030
3870 2370
4350 2665
[N.m]
[N.m]
25
25
50
50
70
80
110
120
155
175
220
245
380
430
620
680
875
1015
1310
1475
1855
2055
2430
2760
3225
3625
5000059K
31215808