67
G60, G80, G100, G150, G200-SIIIA OM Manual
SPECIFICATIONS
Unifie Inch Bolt and Screw Torque Values
a
Grade 2 applies for hex cap screws (not hex bolts) up to 6 in. (152 mm) long. Grade 1 applies for hex cap screws over
6 in. (152 mm) long, and for all other types of bolts and screws of any length.
b
“Lubricated” means coated with a lubricant such as engine oil, fasteners with phosphate and oil coatings, or 7/8 in. and
larger fasteners with JDM F13C, F13F or F13J zinc flake coating.
c
“Dry” means plain or zinc plated without any lubrication, or 1/4 to 3/4 in. fasteners with JDM F13B, F13E or F13H zinc
flake coating.
Bolt or
Screw Size
SAE Grade 1
SAE Grade 2
a
SAE Grade 5, 5.1 or 5.2
SAE Grade 8 or 8.2
Lubricated
b
Dry
c
Lubricated
b
Dry
c
Lubricated
b
Dry
c
Lubricated
b
Dry
c
N·m lb.-in. N·m lb.-in. N·m lb.-in. N·m lb.-in. N·m lb.-in. N·m lb.-in. N·m lb.-in. N·m lb.-in.
1/4
3.7
33
4.7
42
6
53
7.5
66
9.5
84
12
106
13.5
120
17
150
N·m lb.-ft. N·m lb.-ft.
5/16
7.7
68
9.8
86
12
106
15.5
137
19.5
172
25
221
28
20.5
35
26
N·m
lb-ft
N·m
lb-ft
3/8
13.5
120
17.5
155
22
194
27
240
35
26
44
32.5
49
36
63
46
N·m lb-ft
N·m
lb-ft
N·m
lb-ft
7/16
22
194
28
20.5
35
26
44
32.5
56
41
70
52
80
59
100
74
N·m lb.-ft.
1/2
34
25
42
31
53
39
67
49
85
63
110
80
120
88
155
115
9/16
48
35.5
60
45
76
56
95
70
125
92
155
115
175
130
220
165
5/8
67
49
85
63
105
77
135
100
170
125
215
160
240
175
305
225
3/4
120
88
150
110
190
140
240
175
300
220
380
280
425
315
540
400
7/8
190
140
240
175
190
140
240
175
490
360
615
455
690
510
870
640
1
285
210
360
265
285
210
360
265
730
540
920
680 1030 760 1300 960
1-1/8
400
300
510
375
400
300
510
375
910
670 1150 850 1450 1075 1850 1350
1-1/4
570
420
725
535
570
420
725
535 1280 945 1630 1200 2050 1500 2600 1920
1-3/8
750
550
950
700
750
550
950
700 1700 1250 2140 1580 2700 2000 3400 2500
1-1/2
990
730 1250 930
990
730 1250 930 2250 1650 2850 2100 3600 2650 4550 3350
Torque values listed are for general use only, based on
the strength of the bolt or screw. DO NOT use these
values if a different torque value or tightening procedure is
given for a specific application. For stainless steel
fasteners or for nuts on U-bolts, see the tightening
instructions for the specific application. Tighten plastic
insert or crimped steel type lock nuts by turning the nut to
the dry torque shown in the chart, unless different
instructions are given for the specific application.
Shear bolts are designed to fail under predetermined
loads. Always replace shear bolts with identical property
class. Replace fasteners with the same or higher property
class. If higher property class fasteners are used, tighten
these to the strength of the original. Make sure fastener
threads are clean and that you properly start thread
engagement. When possible, lubricate plain or zinc plated
fasteners other than lock nuts, wheel bolts or wheel nuts,
unless different instructions are given for the specific
application.
Summary of Contents for G06030001
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