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Idiomas disponibles
Idiomas disponibles
Commom
Hardware
Types
Hex Head Capscrew
Carriage Bolt
Washer
Lockwasher
_
Hex Nut
Standard
Hardware
Sizing
When
a washer
or nut is identified
as !/2",
this is the
Nominal
size, meaning the inside diameter is 1/2 inch; if a
second number is present it represent the threads perinch
When boHt or capscrew
is identified as !/2 - 16 x 2", this
means the Nominal size, or body diameter is 1/2 inch; the
second number represents
the threads per inch (16 in this
exampHe, and the finaH number is the body length of the
boHt or screw (in this exampHe 2 inches Hong).
The guides
and ruler furnished
below
are designed
to
help you select the appropriate
hardware
and tools,
m_
Nut, 1/2"
inside
Diameter
Torque Specification
Chart
FORSTANDARDMACHNE HARDWARE(Tolerance ± 20%)
Hardware
0
Grade
SAEGrade2
SAEGrade5
Size Of
in/lbs
irYlbs
Hardware
ft/ibs
Nm.
ft/ihs
8-32
8-36
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
7/8-14
1-8
1-12
19
2.1
20
2.3
27
3.1
3t
3.5
66
7.6
76
8.6
11
15.0
12
16.3
28
27.2
23
31.3
38
40.8
35
47.6
58
68.0
55
74.8
65
88.4
75
102.0
98
122.4
188
136
188
217.6
188
244.8
148
190.4
155
210.8
228
299.2
248
326.4
3O
31
43
49
8
18
17
19
38
35
58
55
75
98
118
128
158
188
268
888
488
448
588
648
NOTES
©
SAEGrade8
Nm.
_i_bs
Nm.
3.4
41
4.6
3.5
43
4.9
4.9
60
6.8
5.5
68
7.7
10.9
12
16.3
13.6
14
19.0
23.1
25
34.0
25.8
27
34.0
40.8
45
61.2
47.6
58
68.0
68.0
78
95.2
74.8
88
108.8
102.0
118
149.6
122.4
128
163.2
149.6
158
204.0
163.2
178
231.2
204.0
228
299.2
244.8
248
326.4
353.6
386
525.0
408.0
428
571.2
544.0
688
816.0
598.4
668
897.6
788.8
988
1,244.0
870.4
1,888
1,360.0
1. These torque values are to be used for all hardware
excluding:
Iocknuts, self-tapping
screws, thread forming
screws, sheet metal screws and socket head setscrews.
2.
Recommended
seating
torque values for Iocknuts:
a. for prevailing
torque Iocknuts
- use 65% of grade 5
torques.
b. for flange whizlock
nuts and screws - use 135% of
grade 5 torques.
3.
Unless otherwise
noted on assembly
drawings,
all torque
values
must meet this specification.
Wrench
& Fastener
Size Guide
1/4" BoBt or Nat
Wrench--7/16"
5/16" Bolt or Nut
Wrench--1/2"
3/8" Bolt or Nat
Wrench--9/16"
7/16" Beretor Nut
Wrench (Bolt)--5/8"
Wrench (Nut)--11/16"
1/2" Bomt or Nat
Wrench--3/4"
PTS - 45
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