Hardware Identification & Torque Specifications
Common Hardware Types
Torque Specification Chart
FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)
Hex Head Capscrew
Washer
No
Lockwasher
Hardware
Grade
Marks
Carriage Bolt
SAE Grade 2
SAE Grade 5
SAE Grade 8
Hex Nut
Size Of
Hardware
in/lbs
ft/lbs
in/lbs
ft/lbs
in/lbs
ft/lbs
Nm.
Nm.
Nm.
Standard Hardware Sizing
8-32
8-36
19
20
27
31
66
76
11
12
20
23
30
35
50
55
65
75
90
100
160
180
140
155
220
240
2.1
2.3
3.1
3.5
7.6
30
31
43
49
8
10
17
19
30
35
50
55
75
3.4
3.5
4.9
5.5
10.9
13.6
23.1
25.8
40.8
41
43
60
68
12
14
25
27
45
4.6
4.9
6.8
7.7
16.3
19.0
34.0
34.0
61.2
When a washer or nut is identified as 1/2” , this is the
Nominal size, meaning the inside diameter is 1/2 inch; if a
second number is present it represent the threads per inch
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
When bolt or capscrew is identified as 1/2 - 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
example, and the final number is the body length of the
bolt or screw (in this example 2 inches long).
8.6
15.0
16.3
27.2
31.3
40.8
47.6
68.0
74.8
88.4
102.0
122.4
136
217.6
244.8
190.4
210.8
299.2
326.4
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
47.6
68.0
74.8
50
70
80
68.0
95.2
108.8
149.6
163.2
204.0
231.2
299.2
326.4
525.0
571.2
816.0
897.6
1,244.0
1,360.0
0
Nut, 1/2”
Inside
Diameter
102.0
122.4
149.6
163.2
204.0
244.8
353.6
408.0
544.0
598.4
788.8
870.4
110
120
150
170
220
240
386
420
600
660
900
1,000
1/4
90
1/2
110
120
150
180
260
300
400
440
580
640
3/4
1
2
3
4
1/4
1/2
Screw, 1/2 x 2
7/8-14
1-8
1-12
3/4
Body
Diameter
1/4
NOTES
These torque values are to be used for all hardware
excluding: locknuts, self-tapping screws, thread forming
screws, sheet metal screws and socket head setscrews.
Recommended seating torque values for locknuts:
a. for prevailing torque locknuts - use 65% of grade 5
torques.
for flange whizlock nuts and screws - use 135% of
grade 5 torques.
1.
2.
Body
Length
1/2
3/4
1/4
b.
1/2
3.
Unless otherwise noted on assembly drawings, all torque
values must meet this specification.
3/4
Wrench & Fastener Size Guide
1/2
DIA.
7/16
DIA.
3/8
5/16
1/4
1
/4” Bolt or Nut
5/16” Bolt or Nut
Wrench—1/2”
3/8” Bolt or Nut
Wrench—9/16”
7/16” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
1/2” Bolt or Nut
Wrench—3/4”
Wrench—7/16”
| Categories | Murray Snow Blower Manuals, Snow Blower Manuals |
|---|---|
| Tags | Murray 1695539 |
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| Document File Type | |
| Copyright | Attribution Non-commercial |
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